Home / 3,963.36-5,469.52-2,195.16

Finding the Fourth Proportional to 3,963.36, 5,469.52 and 2,195.16

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Solution

The fourth proportional to 3,963.36, 5,469.52 and 2,195.16 is: 3,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.36 : 5,469.52 = 2,195.16 : x
  2. Step 2: Convert to fraction form
    3,963.36/5,469.52 = 2,195.16/x
  3. Step 3: Cross multiply
    3,963.36x = 5,469.52 × 2,195.16
  4. Step 4: Simplify right side
    3,963.36x = 12,006,471.52
  5. Step 5: Solve for x
    x = 12,006,471.52/3,963.36
  6. Step 6: Final answer
    x = 3,029.37

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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.