Home / 3,747.47-5,169.53-2,861.73

Finding the Fourth Proportional to 3,747.47, 5,169.53 and 2,861.73

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Solution

The fourth proportional to 3,747.47, 5,169.53 and 2,861.73 is: 3,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.47 : 5,169.53 = 2,861.73 : x
  2. Step 2: Convert to fraction form
    3,747.47/5,169.53 = 2,861.73/x
  3. Step 3: Cross multiply
    3,747.47x = 5,169.53 × 2,861.73
  4. Step 4: Simplify right side
    3,747.47x = 14,793,784.78
  5. Step 5: Solve for x
    x = 14,793,784.78/3,747.47
  6. Step 6: Final answer
    x = 3,947.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.