Home / 3,932.25-5,426.44-2,163.82

Finding the Fourth Proportional to 3,932.25, 5,426.44 and 2,163.82

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Solution

The fourth proportional to 3,932.25, 5,426.44 and 2,163.82 is: 2,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.25 : 5,426.44 = 2,163.82 : x
  2. Step 2: Convert to fraction form
    3,932.25/5,426.44 = 2,163.82/x
  3. Step 3: Cross multiply
    3,932.25x = 5,426.44 × 2,163.82
  4. Step 4: Simplify right side
    3,932.25x = 11,741,839.40
  5. Step 5: Solve for x
    x = 11,741,839.40/3,932.25
  6. Step 6: Final answer
    x = 2,986.04

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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.