Home / 3,936.24-5,432.06-2,167.98

Finding the Fourth Proportional to 3,936.24, 5,432.06 and 2,167.98

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Solution

The fourth proportional to 3,936.24, 5,432.06 and 2,167.98 is: 2,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.24 : 5,432.06 = 2,167.98 : x
  2. Step 2: Convert to fraction form
    3,936.24/5,432.06 = 2,167.98/x
  3. Step 3: Cross multiply
    3,936.24x = 5,432.06 × 2,167.98
  4. Step 4: Simplify right side
    3,936.24x = 11,776,582.49
  5. Step 5: Solve for x
    x = 11,776,582.49/3,936.24
  6. Step 6: Final answer
    x = 2,991.84

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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.