Home / 3,952.26-5,454.11-2,555

Finding the Fourth Proportional to 3,952.26, 5,454.11 and 2,555

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Solution

The fourth proportional to 3,952.26, 5,454.11 and 2,555 is: 3,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.26 : 5,454.11 = 2,555 : x
  2. Step 2: Convert to fraction form
    3,952.26/5,454.11 = 2,555/x
  3. Step 3: Cross multiply
    3,952.26x = 5,454.11 × 2,555
  4. Step 4: Simplify right side
    3,952.26x = 13,935,251.05
  5. Step 5: Solve for x
    x = 13,935,251.05/3,952.26
  6. Step 6: Final answer
    x = 3,525.89

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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.