Home / 2,238.10-3,354.98-851.04

Finding the Fourth Proportional to 2,238.10, 3,354.98 and 851.04

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Solution

The fourth proportional to 2,238.10, 3,354.98 and 851.04 is: 1,275.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.10 : 3,354.98 = 851.04 : x
  2. Step 2: Convert to fraction form
    2,238.10/3,354.98 = 851.04/x
  3. Step 3: Cross multiply
    2,238.10x = 3,354.98 × 851.04
  4. Step 4: Simplify right side
    2,238.10x = 2,855,217.92
  5. Step 5: Solve for x
    x = 2,855,217.92/2,238.10
  6. Step 6: Final answer
    x = 1,275.73

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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.