Home / 3,972.71-5,959.24-1,340.35

Finding the Fourth Proportional to 3,972.71, 5,959.24 and 1,340.35

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Solution

The fourth proportional to 3,972.71, 5,959.24 and 1,340.35 is: 2,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.71 : 5,959.24 = 1,340.35 : x
  2. Step 2: Convert to fraction form
    3,972.71/5,959.24 = 1,340.35/x
  3. Step 3: Cross multiply
    3,972.71x = 5,959.24 × 1,340.35
  4. Step 4: Simplify right side
    3,972.71x = 7,987,449.09
  5. Step 5: Solve for x
    x = 7,987,449.09/3,972.71
  6. Step 6: Final answer
    x = 2,010.58

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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.