Home / 3,972.14-5,958.20-1,198.70

Finding the Fourth Proportional to 3,972.14, 5,958.20 and 1,198.70

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Solution

The fourth proportional to 3,972.14, 5,958.20 and 1,198.70 is: 1,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.14 : 5,958.20 = 1,198.70 : x
  2. Step 2: Convert to fraction form
    3,972.14/5,958.20 = 1,198.70/x
  3. Step 3: Cross multiply
    3,972.14x = 5,958.20 × 1,198.70
  4. Step 4: Simplify right side
    3,972.14x = 7,142,094.34
  5. Step 5: Solve for x
    x = 7,142,094.34/3,972.14
  6. Step 6: Final answer
    x = 1,798.05

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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.