Home / 3,997.06-5,995.78-1,223.75

Finding the Fourth Proportional to 3,997.06, 5,995.78 and 1,223.75

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Solution

The fourth proportional to 3,997.06, 5,995.78 and 1,223.75 is: 1,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.06 : 5,995.78 = 1,223.75 : x
  2. Step 2: Convert to fraction form
    3,997.06/5,995.78 = 1,223.75/x
  3. Step 3: Cross multiply
    3,997.06x = 5,995.78 × 1,223.75
  4. Step 4: Simplify right side
    3,997.06x = 7,337,335.78
  5. Step 5: Solve for x
    x = 7,337,335.78/3,997.06
  6. Step 6: Final answer
    x = 1,835.68

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Double scale
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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.