Home / 1,489.41-2,232.49-1,001.25

Finding the Fourth Proportional to 1,489.41, 2,232.49 and 1,001.25

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Solution

The fourth proportional to 1,489.41, 2,232.49 and 1,001.25 is: 1,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489.41 : 2,232.49 = 1,001.25 : x
  2. Step 2: Convert to fraction form
    1,489.41/2,232.49 = 1,001.25/x
  3. Step 3: Cross multiply
    1,489.41x = 2,232.49 × 1,001.25
  4. Step 4: Simplify right side
    1,489.41x = 2,235,280.61
  5. Step 5: Solve for x
    x = 2,235,280.61/1,489.41
  6. Step 6: Final answer
    x = 1,500.78

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Double scale
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1.5x scale

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.