Home / 3,963.52-5,469.69-2,195.14

Finding the Fourth Proportional to 3,963.52, 5,469.69 and 2,195.14

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Solution

The fourth proportional to 3,963.52, 5,469.69 and 2,195.14 is: 3,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.52 : 5,469.69 = 2,195.14 : x
  2. Step 2: Convert to fraction form
    3,963.52/5,469.69 = 2,195.14/x
  3. Step 3: Cross multiply
    3,963.52x = 5,469.69 × 2,195.14
  4. Step 4: Simplify right side
    3,963.52x = 12,006,735.31
  5. Step 5: Solve for x
    x = 12,006,735.31/3,963.52
  6. Step 6: Final answer
    x = 3,029.31

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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.