Home / 2,505.18-3,755.65-1,531.97

Finding the Fourth Proportional to 2,505.18, 3,755.65 and 1,531.97

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Solution

The fourth proportional to 2,505.18, 3,755.65 and 1,531.97 is: 2,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.18 : 3,755.65 = 1,531.97 : x
  2. Step 2: Convert to fraction form
    2,505.18/3,755.65 = 1,531.97/x
  3. Step 3: Cross multiply
    2,505.18x = 3,755.65 × 1,531.97
  4. Step 4: Simplify right side
    2,505.18x = 5,753,543.13
  5. Step 5: Solve for x
    x = 5,753,543.13/2,505.18
  6. Step 6: Final answer
    x = 2,296.66

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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.