Home / 3,972.23-5,957.56-1,339.47

Finding the Fourth Proportional to 3,972.23, 5,957.56 and 1,339.47

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Solution

The fourth proportional to 3,972.23, 5,957.56 and 1,339.47 is: 2,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.23 : 5,957.56 = 1,339.47 : x
  2. Step 2: Convert to fraction form
    3,972.23/5,957.56 = 1,339.47/x
  3. Step 3: Cross multiply
    3,972.23x = 5,957.56 × 1,339.47
  4. Step 4: Simplify right side
    3,972.23x = 7,979,972.89
  5. Step 5: Solve for x
    x = 7,979,972.89/3,972.23
  6. Step 6: Final answer
    x = 2,008.94

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1.5x scale

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.