Home / 3,972.28-5,956.48-1,198.43

Finding the Fourth Proportional to 3,972.28, 5,956.48 and 1,198.43

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Solution

The fourth proportional to 3,972.28, 5,956.48 and 1,198.43 is: 1,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.28 : 5,956.48 = 1,198.43 : x
  2. Step 2: Convert to fraction form
    3,972.28/5,956.48 = 1,198.43/x
  3. Step 3: Cross multiply
    3,972.28x = 5,956.48 × 1,198.43
  4. Step 4: Simplify right side
    3,972.28x = 7,138,424.33
  5. Step 5: Solve for x
    x = 7,138,424.33/3,972.28
  6. Step 6: Final answer
    x = 1,797.06

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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.