Home / 3,972.17-5,481.61-2,203.88

Finding the Fourth Proportional to 3,972.17, 5,481.61 and 2,203.88

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Solution

The fourth proportional to 3,972.17, 5,481.61 and 2,203.88 is: 3,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.17 : 5,481.61 = 2,203.88 : x
  2. Step 2: Convert to fraction form
    3,972.17/5,481.61 = 2,203.88/x
  3. Step 3: Cross multiply
    3,972.17x = 5,481.61 × 2,203.88
  4. Step 4: Simplify right side
    3,972.17x = 12,080,777.73
  5. Step 5: Solve for x
    x = 12,080,777.73/3,972.17
  6. Step 6: Final answer
    x = 3,041.35

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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.