Home / 1,487.52-2,229.66-1,314.36

Finding the Fourth Proportional to 1,487.52, 2,229.66 and 1,314.36

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Solution

The fourth proportional to 1,487.52, 2,229.66 and 1,314.36 is: 1,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.52 : 2,229.66 = 1,314.36 : x
  2. Step 2: Convert to fraction form
    1,487.52/2,229.66 = 1,314.36/x
  3. Step 3: Cross multiply
    1,487.52x = 2,229.66 × 1,314.36
  4. Step 4: Simplify right side
    1,487.52x = 2,930,575.92
  5. Step 5: Solve for x
    x = 2,930,575.92/1,487.52
  6. Step 6: Final answer
    x = 1,970.11

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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.