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Finding the Fourth Proportional to 3,997.04, 5,996.64 and 1,223.96

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Solution

The fourth proportional to 3,997.04, 5,996.64 and 1,223.96 is: 1,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.04 : 5,996.64 = 1,223.96 : x
  2. Step 2: Convert to fraction form
    3,997.04/5,996.64 = 1,223.96/x
  3. Step 3: Cross multiply
    3,997.04x = 5,996.64 × 1,223.96
  4. Step 4: Simplify right side
    3,997.04x = 7,339,647.49
  5. Step 5: Solve for x
    x = 7,339,647.49/3,997.04
  6. Step 6: Final answer
    x = 1,836.27

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Similar ratio
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1.5x scale

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.