The Scots, who finished fourth at the round-robin stage, lost the 3 v 4 play-off 8-5 as Anna Hasselborg's Swedes reached Saturday's semi-final.
However, Sweden were beaten 9-3 by Russia, who had lost to Canada in Friday's 1 v 2 play-off.
Eve Muirhead's rink take on Sweden (03:00 BST) before Canada meet Russia in the final (08:00).
The Canadians led the standings at the end of the round-robin stage while Scotland beat Germany and Czech Republic on Thursday to clinch fourth place.
Click here to watch Scotland v Sweden on the BBC Sport website from 03:00 on Sunday.
Sweden 8-5 Scotland
Russia 9-3 Sweden
Canada 7-3 Russia
Canada 11-0 (qualified)
Russia 8-3 (qualified)
Sweden 8-3 (qualified)
Scotland 7-4 (qualified)
USA 6-5
Korea 5-6
Czech Republic 5-6
Switzerland 5-6
Germany 5-6
Italy 3-8
China 2-9
Denmark 1-10
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Scotland will meet Sweden in Sunday's bronze medal match at the World Women's Curling Championship.