Home / 3,979.77-5,963.90-2,201.18

Finding the Fourth Proportional to 3,979.77, 5,963.90 and 2,201.18

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Solution

The fourth proportional to 3,979.77, 5,963.90 and 2,201.18 is: 3,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.77 : 5,963.90 = 2,201.18 : x
  2. Step 2: Convert to fraction form
    3,979.77/5,963.90 = 2,201.18/x
  3. Step 3: Cross multiply
    3,979.77x = 5,963.90 × 2,201.18
  4. Step 4: Simplify right side
    3,979.77x = 13,127,629.56
  5. Step 5: Solve for x
    x = 13,127,629.56/3,979.77
  6. Step 6: Final answer
    x = 3,298.59

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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.