Home / 3,932.43-5,427.15-2,254.38

Finding the Fourth Proportional to 3,932.43, 5,427.15 and 2,254.38

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Solution

The fourth proportional to 3,932.43, 5,427.15 and 2,254.38 is: 3,111.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.43 : 5,427.15 = 2,254.38 : x
  2. Step 2: Convert to fraction form
    3,932.43/5,427.15 = 2,254.38/x
  3. Step 3: Cross multiply
    3,932.43x = 5,427.15 × 2,254.38
  4. Step 4: Simplify right side
    3,932.43x = 12,234,858.42
  5. Step 5: Solve for x
    x = 12,234,858.42/3,932.43
  6. Step 6: Final answer
    x = 3,111.27

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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.