Home / 3,381.28-5,079.22-2,862.29

Finding the Fourth Proportional to 3,381.28, 5,079.22 and 2,862.29

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Solution

The fourth proportional to 3,381.28, 5,079.22 and 2,862.29 is: 4,299.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.28 : 5,079.22 = 2,862.29 : x
  2. Step 2: Convert to fraction form
    3,381.28/5,079.22 = 2,862.29/x
  3. Step 3: Cross multiply
    3,381.28x = 5,079.22 × 2,862.29
  4. Step 4: Simplify right side
    3,381.28x = 14,538,206.16
  5. Step 5: Solve for x
    x = 14,538,206.16/3,381.28
  6. Step 6: Final answer
    x = 4,299.62

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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.