Home / 3,997.14-5,511.72-2,721.84

Finding the Fourth Proportional to 3,997.14, 5,511.72 and 2,721.84

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Solution

The fourth proportional to 3,997.14, 5,511.72 and 2,721.84 is: 3,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.14 : 5,511.72 = 2,721.84 : x
  2. Step 2: Convert to fraction form
    3,997.14/5,511.72 = 2,721.84/x
  3. Step 3: Cross multiply
    3,997.14x = 5,511.72 × 2,721.84
  4. Step 4: Simplify right side
    3,997.14x = 15,002,019.96
  5. Step 5: Solve for x
    x = 15,002,019.96/3,997.14
  6. Step 6: Final answer
    x = 3,753.19

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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.