Home / 3,961.17-5,939.55-1,620.54

Finding the Fourth Proportional to 3,961.17, 5,939.55 and 1,620.54

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Solution

The fourth proportional to 3,961.17, 5,939.55 and 1,620.54 is: 2,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.17 : 5,939.55 = 1,620.54 : x
  2. Step 2: Convert to fraction form
    3,961.17/5,939.55 = 1,620.54/x
  3. Step 3: Cross multiply
    3,961.17x = 5,939.55 × 1,620.54
  4. Step 4: Simplify right side
    3,961.17x = 9,625,278.36
  5. Step 5: Solve for x
    x = 9,625,278.36/3,961.17
  6. Step 6: Final answer
    x = 2,429.91

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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.