Home / 3,963.40-5,943.42-2,114.12

Finding the Fourth Proportional to 3,963.40, 5,943.42 and 2,114.12

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Solution

The fourth proportional to 3,963.40, 5,943.42 and 2,114.12 is: 3,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.40 : 5,943.42 = 2,114.12 : x
  2. Step 2: Convert to fraction form
    3,963.40/5,943.42 = 2,114.12/x
  3. Step 3: Cross multiply
    3,963.40x = 5,943.42 × 2,114.12
  4. Step 4: Simplify right side
    3,963.40x = 12,565,103.09
  5. Step 5: Solve for x
    x = 12,565,103.09/3,963.40
  6. Step 6: Final answer
    x = 3,170.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.