Home / 2,462.50-3,398.25-1,531

Finding the Fourth Proportional to 2,462.50, 3,398.25 and 1,531

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Solution

The fourth proportional to 2,462.50, 3,398.25 and 1,531 is: 2,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.50 : 3,398.25 = 1,531 : x
  2. Step 2: Convert to fraction form
    2,462.50/3,398.25 = 1,531/x
  3. Step 3: Cross multiply
    2,462.50x = 3,398.25 × 1,531
  4. Step 4: Simplify right side
    2,462.50x = 5,202,720.75
  5. Step 5: Solve for x
    x = 5,202,720.75/2,462.50
  6. Step 6: Final answer
    x = 2,112.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.