Home / 3,961.98-5,939.46-2,015.28

Finding the Fourth Proportional to 3,961.98, 5,939.46 and 2,015.28

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Solution

The fourth proportional to 3,961.98, 5,939.46 and 2,015.28 is: 3,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.98 : 5,939.46 = 2,015.28 : x
  2. Step 2: Convert to fraction form
    3,961.98/5,939.46 = 2,015.28/x
  3. Step 3: Cross multiply
    3,961.98x = 5,939.46 × 2,015.28
  4. Step 4: Simplify right side
    3,961.98x = 11,969,674.95
  5. Step 5: Solve for x
    x = 11,969,674.95/3,961.98
  6. Step 6: Final answer
    x = 3,021.13

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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.