Home / 3,922.59-5,414.96-2,508.21

Finding the Fourth Proportional to 3,922.59, 5,414.96 and 2,508.21

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Solution

The fourth proportional to 3,922.59, 5,414.96 and 2,508.21 is: 3,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.59 : 5,414.96 = 2,508.21 : x
  2. Step 2: Convert to fraction form
    3,922.59/5,414.96 = 2,508.21/x
  3. Step 3: Cross multiply
    3,922.59x = 5,414.96 × 2,508.21
  4. Step 4: Simplify right side
    3,922.59x = 13,581,844.28
  5. Step 5: Solve for x
    x = 13,581,844.28/3,922.59
  6. Step 6: Final answer
    x = 3,462.47

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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.