Home / 3,936.43-5,432.24-2,168

Finding the Fourth Proportional to 3,936.43, 5,432.24 and 2,168

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Solution

The fourth proportional to 3,936.43, 5,432.24 and 2,168 is: 2,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.43 : 5,432.24 = 2,168 : x
  2. Step 2: Convert to fraction form
    3,936.43/5,432.24 = 2,168/x
  3. Step 3: Cross multiply
    3,936.43x = 5,432.24 × 2,168
  4. Step 4: Simplify right side
    3,936.43x = 11,777,096.32
  5. Step 5: Solve for x
    x = 11,777,096.32/3,936.43
  6. Step 6: Final answer
    x = 2,991.82

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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.