Home / 3,972.72-5,481.76-2,204.32

Finding the Fourth Proportional to 3,972.72, 5,481.76 and 2,204.32

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Solution

The fourth proportional to 3,972.72, 5,481.76 and 2,204.32 is: 3,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.72 : 5,481.76 = 2,204.32 : x
  2. Step 2: Convert to fraction form
    3,972.72/5,481.76 = 2,204.32/x
  3. Step 3: Cross multiply
    3,972.72x = 5,481.76 × 2,204.32
  4. Step 4: Simplify right side
    3,972.72x = 12,083,553.20
  5. Step 5: Solve for x
    x = 12,083,553.20/3,972.72
  6. Step 6: Final answer
    x = 3,041.63

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1.5x scale

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.