Home / 3,963.11-5,469.44-2,195.09

Finding the Fourth Proportional to 3,963.11, 5,469.44 and 2,195.09

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Solution

The fourth proportional to 3,963.11, 5,469.44 and 2,195.09 is: 3,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.11 : 5,469.44 = 2,195.09 : x
  2. Step 2: Convert to fraction form
    3,963.11/5,469.44 = 2,195.09/x
  3. Step 3: Cross multiply
    3,963.11x = 5,469.44 × 2,195.09
  4. Step 4: Simplify right side
    3,963.11x = 12,005,874.73
  5. Step 5: Solve for x
    x = 12,005,874.73/3,963.11
  6. Step 6: Final answer
    x = 3,029.41

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1.5x scale

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.