Home / 3,389.92-5,071.30-2,932.62

Finding the Fourth Proportional to 3,389.92, 5,071.30 and 2,932.62

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Solution

The fourth proportional to 3,389.92, 5,071.30 and 2,932.62 is: 4,387.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.92 : 5,071.30 = 2,932.62 : x
  2. Step 2: Convert to fraction form
    3,389.92/5,071.30 = 2,932.62/x
  3. Step 3: Cross multiply
    3,389.92x = 5,071.30 × 2,932.62
  4. Step 4: Simplify right side
    3,389.92x = 14,872,195.81
  5. Step 5: Solve for x
    x = 14,872,195.81/3,389.92
  6. Step 6: Final answer
    x = 4,387.18

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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.