Home / 3,972.12-5,958.06-1,198.68

Finding the Fourth Proportional to 3,972.12, 5,958.06 and 1,198.68

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Solution

The fourth proportional to 3,972.12, 5,958.06 and 1,198.68 is: 1,797.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.12 : 5,958.06 = 1,198.68 : x
  2. Step 2: Convert to fraction form
    3,972.12/5,958.06 = 1,198.68/x
  3. Step 3: Cross multiply
    3,972.12x = 5,958.06 × 1,198.68
  4. Step 4: Simplify right side
    3,972.12x = 7,141,807.36
  5. Step 5: Solve for x
    x = 7,141,807.36/3,972.12
  6. Step 6: Final answer
    x = 1,797.98

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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.