Home / 2,834.72-4,244.19-2,139.28

Finding the Fourth Proportional to 2,834.72, 4,244.19 and 2,139.28

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Solution

The fourth proportional to 2,834.72, 4,244.19 and 2,139.28 is: 3,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.72 : 4,244.19 = 2,139.28 : x
  2. Step 2: Convert to fraction form
    2,834.72/4,244.19 = 2,139.28/x
  3. Step 3: Cross multiply
    2,834.72x = 4,244.19 × 2,139.28
  4. Step 4: Simplify right side
    2,834.72x = 9,079,510.78
  5. Step 5: Solve for x
    x = 9,079,510.78/2,834.72
  6. Step 6: Final answer
    x = 3,202.97

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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.