Home / 3,977.76-5,959.38-3,540.36

Finding the Fourth Proportional to 3,977.76, 5,959.38 and 3,540.36

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Solution

The fourth proportional to 3,977.76, 5,959.38 and 3,540.36 is: 5,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.76 : 5,959.38 = 3,540.36 : x
  2. Step 2: Convert to fraction form
    3,977.76/5,959.38 = 3,540.36/x
  3. Step 3: Cross multiply
    3,977.76x = 5,959.38 × 3,540.36
  4. Step 4: Simplify right side
    3,977.76x = 21,098,350.58
  5. Step 5: Solve for x
    x = 21,098,350.58/3,977.76
  6. Step 6: Final answer
    x = 5,304.08

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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.