Home / 3,049.19-4,198.25-2,689.85

Finding the Fourth Proportional to 3,049.19, 4,198.25 and 2,689.85

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Solution

The fourth proportional to 3,049.19, 4,198.25 and 2,689.85 is: 3,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.19 : 4,198.25 = 2,689.85 : x
  2. Step 2: Convert to fraction form
    3,049.19/4,198.25 = 2,689.85/x
  3. Step 3: Cross multiply
    3,049.19x = 4,198.25 × 2,689.85
  4. Step 4: Simplify right side
    3,049.19x = 11,292,679.98
  5. Step 5: Solve for x
    x = 11,292,679.98/3,049.19
  6. Step 6: Final answer
    x = 3,703.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.