Home / 3,951.45-5,452.65-2,272.73

Finding the Fourth Proportional to 3,951.45, 5,452.65 and 2,272.73

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Solution

The fourth proportional to 3,951.45, 5,452.65 and 2,272.73 is: 3,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.45 : 5,452.65 = 2,272.73 : x
  2. Step 2: Convert to fraction form
    3,951.45/5,452.65 = 2,272.73/x
  3. Step 3: Cross multiply
    3,951.45x = 5,452.65 × 2,272.73
  4. Step 4: Simplify right side
    3,951.45x = 12,392,373.97
  5. Step 5: Solve for x
    x = 12,392,373.97/3,951.45
  6. Step 6: Final answer
    x = 3,136.16

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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.