Home / 3,936.28-5,432.70-2,343.00

Finding the Fourth Proportional to 3,936.28, 5,432.70 and 2,343.00

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Solution

The fourth proportional to 3,936.28, 5,432.70 and 2,343.00 is: 3,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.28 : 5,432.70 = 2,343.00 : x
  2. Step 2: Convert to fraction form
    3,936.28/5,432.70 = 2,343.00/x
  3. Step 3: Cross multiply
    3,936.28x = 5,432.70 × 2,343.00
  4. Step 4: Simplify right side
    3,936.28x = 12,728,810.21
  5. Step 5: Solve for x
    x = 12,728,810.21/3,936.28
  6. Step 6: Final answer
    x = 3,233.71

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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.