Home / 3,976.66-5,961.90-1,974.15

Finding the Fourth Proportional to 3,976.66, 5,961.90 and 1,974.15

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Solution

The fourth proportional to 3,976.66, 5,961.90 and 1,974.15 is: 2,959.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.66 : 5,961.90 = 1,974.15 : x
  2. Step 2: Convert to fraction form
    3,976.66/5,961.90 = 1,974.15/x
  3. Step 3: Cross multiply
    3,976.66x = 5,961.90 × 1,974.15
  4. Step 4: Simplify right side
    3,976.66x = 11,769,684.89
  5. Step 5: Solve for x
    x = 11,769,684.89/3,976.66
  6. Step 6: Final answer
    x = 2,959.69

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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.