Home / 3,724.25-5,587.07-1,531.78

Finding the Fourth Proportional to 3,724.25, 5,587.07 and 1,531.78

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Solution

The fourth proportional to 3,724.25, 5,587.07 and 1,531.78 is: 2,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.25 : 5,587.07 = 1,531.78 : x
  2. Step 2: Convert to fraction form
    3,724.25/5,587.07 = 1,531.78/x
  3. Step 3: Cross multiply
    3,724.25x = 5,587.07 × 1,531.78
  4. Step 4: Simplify right side
    3,724.25x = 8,558,140.46
  5. Step 5: Solve for x
    x = 8,558,140.46/3,724.25
  6. Step 6: Final answer
    x = 2,297.95

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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.