Home / 3,972.08-5,957.40-1,339.22

Finding the Fourth Proportional to 3,972.08, 5,957.40 and 1,339.22

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Solution

The fourth proportional to 3,972.08, 5,957.40 and 1,339.22 is: 2,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.08 : 5,957.40 = 1,339.22 : x
  2. Step 2: Convert to fraction form
    3,972.08/5,957.40 = 1,339.22/x
  3. Step 3: Cross multiply
    3,972.08x = 5,957.40 × 1,339.22
  4. Step 4: Simplify right side
    3,972.08x = 7,978,269.23
  5. Step 5: Solve for x
    x = 7,978,269.23/3,972.08
  6. Step 6: Final answer
    x = 2,008.59

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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.