Home / 3,936.70-5,432.57-2,168.27

Finding the Fourth Proportional to 3,936.70, 5,432.57 and 2,168.27

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Solution

The fourth proportional to 3,936.70, 5,432.57 and 2,168.27 is: 2,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.70 : 5,432.57 = 2,168.27 : x
  2. Step 2: Convert to fraction form
    3,936.70/5,432.57 = 2,168.27/x
  3. Step 3: Cross multiply
    3,936.70x = 5,432.57 × 2,168.27
  4. Step 4: Simplify right side
    3,936.70x = 11,779,278.55
  5. Step 5: Solve for x
    x = 11,779,278.55/3,936.70
  6. Step 6: Final answer
    x = 2,992.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.