Home / 3,732.31-5,587.65-2,811.74

Finding the Fourth Proportional to 3,732.31, 5,587.65 and 2,811.74

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Solution

The fourth proportional to 3,732.31, 5,587.65 and 2,811.74 is: 4,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.31 : 5,587.65 = 2,811.74 : x
  2. Step 2: Convert to fraction form
    3,732.31/5,587.65 = 2,811.74/x
  3. Step 3: Cross multiply
    3,732.31x = 5,587.65 × 2,811.74
  4. Step 4: Simplify right side
    3,732.31x = 15,711,019.01
  5. Step 5: Solve for x
    x = 15,711,019.01/3,732.31
  6. Step 6: Final answer
    x = 4,209.47

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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.