Finding the Fourth Proportional to 1,657.08, 2,484 and 560.70
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Solution
The fourth proportional to 1,657.08, 2,484 and 560.70 is: 840.50
Step by Step Solution
- Step 1: Write the proportion equation
1,657.08 : 2,484 = 560.70 : x - Step 2: Convert to fraction form
1,657.08/2,484 = 560.70/x - Step 3: Cross multiply
1,657.08x = 2,484 × 560.70 - Step 4: Simplify right side
1,657.08x = 1,392,778.80 - Step 5: Solve for x
x = 1,392,778.80/1,657.08 - Step 6: Final answer
x = 840.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.