Home / 2,732.11-4,099.50-1,272.28

Finding the Fourth Proportional to 2,732.11, 4,099.50 and 1,272.28

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Solution

The fourth proportional to 2,732.11, 4,099.50 and 1,272.28 is: 1,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.11 : 4,099.50 = 1,272.28 : x
  2. Step 2: Convert to fraction form
    2,732.11/4,099.50 = 1,272.28/x
  3. Step 3: Cross multiply
    2,732.11x = 4,099.50 × 1,272.28
  4. Step 4: Simplify right side
    2,732.11x = 5,215,711.86
  5. Step 5: Solve for x
    x = 5,215,711.86/2,732.11
  6. Step 6: Final answer
    x = 1,909.04

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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.