Home / 3,932.27-5,426.43-2,254.65

Finding the Fourth Proportional to 3,932.27, 5,426.43 and 2,254.65

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Solution

The fourth proportional to 3,932.27, 5,426.43 and 2,254.65 is: 3,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.27 : 5,426.43 = 2,254.65 : x
  2. Step 2: Convert to fraction form
    3,932.27/5,426.43 = 2,254.65/x
  3. Step 3: Cross multiply
    3,932.27x = 5,426.43 × 2,254.65
  4. Step 4: Simplify right side
    3,932.27x = 12,234,724.98
  5. Step 5: Solve for x
    x = 12,234,724.98/3,932.27
  6. Step 6: Final answer
    x = 3,111.37

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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.