Home / 3,996.32-5,997.14-1,399.25

Finding the Fourth Proportional to 3,996.32, 5,997.14 and 1,399.25

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Solution

The fourth proportional to 3,996.32, 5,997.14 and 1,399.25 is: 2,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.32 : 5,997.14 = 1,399.25 : x
  2. Step 2: Convert to fraction form
    3,996.32/5,997.14 = 1,399.25/x
  3. Step 3: Cross multiply
    3,996.32x = 5,997.14 × 1,399.25
  4. Step 4: Simplify right side
    3,996.32x = 8,391,511.39
  5. Step 5: Solve for x
    x = 8,391,511.39/3,996.32
  6. Step 6: Final answer
    x = 2,099.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.