Home / 3,149.86-4,715.57-2,487.11

Finding the Fourth Proportional to 3,149.86, 4,715.57 and 2,487.11

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Solution

The fourth proportional to 3,149.86, 4,715.57 and 2,487.11 is: 3,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.86 : 4,715.57 = 2,487.11 : x
  2. Step 2: Convert to fraction form
    3,149.86/4,715.57 = 2,487.11/x
  3. Step 3: Cross multiply
    3,149.86x = 4,715.57 × 2,487.11
  4. Step 4: Simplify right side
    3,149.86x = 11,728,109.95
  5. Step 5: Solve for x
    x = 11,728,109.95/3,149.86
  6. Step 6: Final answer
    x = 3,723.37

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1.5x scale

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.