Home / 3,972.25-5,956.44-1,198.40

Finding the Fourth Proportional to 3,972.25, 5,956.44 and 1,198.40

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Solution

The fourth proportional to 3,972.25, 5,956.44 and 1,198.40 is: 1,797.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.25 : 5,956.44 = 1,198.40 : x
  2. Step 2: Convert to fraction form
    3,972.25/5,956.44 = 1,198.40/x
  3. Step 3: Cross multiply
    3,972.25x = 5,956.44 × 1,198.40
  4. Step 4: Simplify right side
    3,972.25x = 7,138,197.70
  5. Step 5: Solve for x
    x = 7,138,197.70/3,972.25
  6. Step 6: Final answer
    x = 1,797.02

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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.