Home / 3,932.22-5,425.91-2,163.94

Finding the Fourth Proportional to 3,932.22, 5,425.91 and 2,163.94

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Solution

The fourth proportional to 3,932.22, 5,425.91 and 2,163.94 is: 2,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.22 : 5,425.91 = 2,163.94 : x
  2. Step 2: Convert to fraction form
    3,932.22/5,425.91 = 2,163.94/x
  3. Step 3: Cross multiply
    3,932.22x = 5,425.91 × 2,163.94
  4. Step 4: Simplify right side
    3,932.22x = 11,741,343.69
  5. Step 5: Solve for x
    x = 11,741,343.69/3,932.22
  6. Step 6: Final answer
    x = 2,985.93

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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.