Home / 3,932.50-5,426.49-2,163.99

Finding the Fourth Proportional to 3,932.50, 5,426.49 and 2,163.99

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Solution

The fourth proportional to 3,932.50, 5,426.49 and 2,163.99 is: 2,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.50 : 5,426.49 = 2,163.99 : x
  2. Step 2: Convert to fraction form
    3,932.50/5,426.49 = 2,163.99/x
  3. Step 3: Cross multiply
    3,932.50x = 5,426.49 × 2,163.99
  4. Step 4: Simplify right side
    3,932.50x = 11,742,883.30
  5. Step 5: Solve for x
    x = 11,742,883.30/3,932.50
  6. Step 6: Final answer
    x = 2,986.11

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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.