Home / 3,198.68-4,794.06-1,553.88

Finding the Fourth Proportional to 3,198.68, 4,794.06 and 1,553.88

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Solution

The fourth proportional to 3,198.68, 4,794.06 and 1,553.88 is: 2,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.68 : 4,794.06 = 1,553.88 : x
  2. Step 2: Convert to fraction form
    3,198.68/4,794.06 = 1,553.88/x
  3. Step 3: Cross multiply
    3,198.68x = 4,794.06 × 1,553.88
  4. Step 4: Simplify right side
    3,198.68x = 7,449,393.95
  5. Step 5: Solve for x
    x = 7,449,393.95/3,198.68
  6. Step 6: Final answer
    x = 2,328.90

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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.