Home / 3,972.45-5,957.36-1,339.25

Finding the Fourth Proportional to 3,972.45, 5,957.36 and 1,339.25

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Solution

The fourth proportional to 3,972.45, 5,957.36 and 1,339.25 is: 2,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.45 : 5,957.36 = 1,339.25 : x
  2. Step 2: Convert to fraction form
    3,972.45/5,957.36 = 1,339.25/x
  3. Step 3: Cross multiply
    3,972.45x = 5,957.36 × 1,339.25
  4. Step 4: Simplify right side
    3,972.45x = 7,978,367.94
  5. Step 5: Solve for x
    x = 7,978,367.94/3,972.45
  6. Step 6: Final answer
    x = 2,008.43

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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.