Home / 3,198.20-4,791.02-2,849.90

Finding the Fourth Proportional to 3,198.20, 4,791.02 and 2,849.90

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Solution

The fourth proportional to 3,198.20, 4,791.02 and 2,849.90 is: 4,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.20 : 4,791.02 = 2,849.90 : x
  2. Step 2: Convert to fraction form
    3,198.20/4,791.02 = 2,849.90/x
  3. Step 3: Cross multiply
    3,198.20x = 4,791.02 × 2,849.90
  4. Step 4: Simplify right side
    3,198.20x = 13,653,927.90
  5. Step 5: Solve for x
    x = 13,653,927.90/3,198.20
  6. Step 6: Final answer
    x = 4,269.25

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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.