Home / 3,963.15-5,452.38-3,853.80

Finding the Fourth Proportional to 3,963.15, 5,452.38 and 3,853.80

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Solution

The fourth proportional to 3,963.15, 5,452.38 and 3,853.80 is: 5,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.15 : 5,452.38 = 3,853.80 : x
  2. Step 2: Convert to fraction form
    3,963.15/5,452.38 = 3,853.80/x
  3. Step 3: Cross multiply
    3,963.15x = 5,452.38 × 3,853.80
  4. Step 4: Simplify right side
    3,963.15x = 21,012,382.04
  5. Step 5: Solve for x
    x = 21,012,382.04/3,963.15
  6. Step 6: Final answer
    x = 5,301.94

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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.