Home / 3,932.33-5,426.53-2,163.91

Finding the Fourth Proportional to 3,932.33, 5,426.53 and 2,163.91

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Solution

The fourth proportional to 3,932.33, 5,426.53 and 2,163.91 is: 2,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.33 : 5,426.53 = 2,163.91 : x
  2. Step 2: Convert to fraction form
    3,932.33/5,426.53 = 2,163.91/x
  3. Step 3: Cross multiply
    3,932.33x = 5,426.53 × 2,163.91
  4. Step 4: Simplify right side
    3,932.33x = 11,742,522.53
  5. Step 5: Solve for x
    x = 11,742,522.53/3,932.33
  6. Step 6: Final answer
    x = 2,986.15

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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.