Home / 3,378.27-5,060.43-2,989.27

Finding the Fourth Proportional to 3,378.27, 5,060.43 and 2,989.27

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Solution

The fourth proportional to 3,378.27, 5,060.43 and 2,989.27 is: 4,477.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.27 : 5,060.43 = 2,989.27 : x
  2. Step 2: Convert to fraction form
    3,378.27/5,060.43 = 2,989.27/x
  3. Step 3: Cross multiply
    3,378.27x = 5,060.43 × 2,989.27
  4. Step 4: Simplify right side
    3,378.27x = 15,126,991.59
  5. Step 5: Solve for x
    x = 15,126,991.59/3,378.27
  6. Step 6: Final answer
    x = 4,477.73

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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.