Finding the Fourth Proportional to 1,660.64, 2,492 and 736.16
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Solution
The fourth proportional to 1,660.64, 2,492 and 736.16 is: 1,104.70
Step by Step Solution
- Step 1: Write the proportion equation
1,660.64 : 2,492 = 736.16 : x - Step 2: Convert to fraction form
1,660.64/2,492 = 736.16/x - Step 3: Cross multiply
1,660.64x = 2,492 × 736.16 - Step 4: Simplify right side
1,660.64x = 1,834,510.72 - Step 5: Solve for x
x = 1,834,510.72/1,660.64 - Step 6: Final answer
x = 1,104.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.