Home / 3,952.69-5,454.56-2,272.96

Finding the Fourth Proportional to 3,952.69, 5,454.56 and 2,272.96

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Solution

The fourth proportional to 3,952.69, 5,454.56 and 2,272.96 is: 3,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.69 : 5,454.56 = 2,272.96 : x
  2. Step 2: Convert to fraction form
    3,952.69/5,454.56 = 2,272.96/x
  3. Step 3: Cross multiply
    3,952.69x = 5,454.56 × 2,272.96
  4. Step 4: Simplify right side
    3,952.69x = 12,397,996.70
  5. Step 5: Solve for x
    x = 12,397,996.70/3,952.69
  6. Step 6: Final answer
    x = 3,136.60

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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.