Home / 3,992.08-5,989.40-2,965.52

Finding the Fourth Proportional to 3,992.08, 5,989.40 and 2,965.52

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Solution

The fourth proportional to 3,992.08, 5,989.40 and 2,965.52 is: 4,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.08 : 5,989.40 = 2,965.52 : x
  2. Step 2: Convert to fraction form
    3,992.08/5,989.40 = 2,965.52/x
  3. Step 3: Cross multiply
    3,992.08x = 5,989.40 × 2,965.52
  4. Step 4: Simplify right side
    3,992.08x = 17,761,685.49
  5. Step 5: Solve for x
    x = 17,761,685.49/3,992.08
  6. Step 6: Final answer
    x = 4,449.23

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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.