Home / 3,932.91-5,427.77-2,254.86

Finding the Fourth Proportional to 3,932.91, 5,427.77 and 2,254.86

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Solution

The fourth proportional to 3,932.91, 5,427.77 and 2,254.86 is: 3,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.91 : 5,427.77 = 2,254.86 : x
  2. Step 2: Convert to fraction form
    3,932.91/5,427.77 = 2,254.86/x
  3. Step 3: Cross multiply
    3,932.91x = 5,427.77 × 2,254.86
  4. Step 4: Simplify right side
    3,932.91x = 12,238,850.19
  5. Step 5: Solve for x
    x = 12,238,850.19/3,932.91
  6. Step 6: Final answer
    x = 3,111.91

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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.