Home / 3,921.12-5,877.97-1,454.27

Finding the Fourth Proportional to 3,921.12, 5,877.97 and 1,454.27

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Solution

The fourth proportional to 3,921.12, 5,877.97 and 1,454.27 is: 2,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.12 : 5,877.97 = 1,454.27 : x
  2. Step 2: Convert to fraction form
    3,921.12/5,877.97 = 1,454.27/x
  3. Step 3: Cross multiply
    3,921.12x = 5,877.97 × 1,454.27
  4. Step 4: Simplify right side
    3,921.12x = 8,548,122.41
  5. Step 5: Solve for x
    x = 8,548,122.41/3,921.12
  6. Step 6: Final answer
    x = 2,180.02

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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.