Home / 3,961.62-5,945.94-2,114.28

Finding the Fourth Proportional to 3,961.62, 5,945.94 and 2,114.28

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Solution

The fourth proportional to 3,961.62, 5,945.94 and 2,114.28 is: 3,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.62 : 5,945.94 = 2,114.28 : x
  2. Step 2: Convert to fraction form
    3,961.62/5,945.94 = 2,114.28/x
  3. Step 3: Cross multiply
    3,961.62x = 5,945.94 × 2,114.28
  4. Step 4: Simplify right side
    3,961.62x = 12,571,382.02
  5. Step 5: Solve for x
    x = 12,571,382.02/3,961.62
  6. Step 6: Final answer
    x = 3,173.29

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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.