Simone finds Ninetta and they rejoice that they soon will get married. Fracasso finds Giacinta, but she is afraid that when she returns, her brother will not agree to her marrying Fracasso, but Fracasso assures Giacinta that Rosina has bewitched the brothers and has them under her complete control. Fracasso and Giacinta rejoice at their pairing off.
Simone finds Ninetta, and they celebrate their upcoming wedding. Fracasso encounters Giacinta, but she fears her brother will not approve of her marriage to Fracasso; however, Fracasso assures Giacinta that Rosina has enchanted the brothers and holds them under her complete control. Fracasso and Giacinta rejoice at their pairing off.