Home / 3,387.74-5,081.63-1,198.04

Finding the Fourth Proportional to 3,387.74, 5,081.63 and 1,198.04

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Solution

The fourth proportional to 3,387.74, 5,081.63 and 1,198.04 is: 1,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.74 : 5,081.63 = 1,198.04 : x
  2. Step 2: Convert to fraction form
    3,387.74/5,081.63 = 1,198.04/x
  3. Step 3: Cross multiply
    3,387.74x = 5,081.63 × 1,198.04
  4. Step 4: Simplify right side
    3,387.74x = 6,087,964.61
  5. Step 5: Solve for x
    x = 6,087,964.61/3,387.74
  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.