Home / 3,136.20-4,697.01-2,747.40

Finding the Fourth Proportional to 3,136.20, 4,697.01 and 2,747.40

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Solution

The fourth proportional to 3,136.20, 4,697.01 and 2,747.40 is: 4,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.20 : 4,697.01 = 2,747.40 : x
  2. Step 2: Convert to fraction form
    3,136.20/4,697.01 = 2,747.40/x
  3. Step 3: Cross multiply
    3,136.20x = 4,697.01 × 2,747.40
  4. Step 4: Simplify right side
    3,136.20x = 12,904,565.27
  5. Step 5: Solve for x
    x = 12,904,565.27/3,136.20
  6. Step 6: Final answer
    x = 4,114.71

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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.