Home / 2,825.43-4,238.12-851.04

Finding the Fourth Proportional to 2,825.43, 4,238.12 and 851.04

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Solution

The fourth proportional to 2,825.43, 4,238.12 and 851.04 is: 1,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.43 : 4,238.12 = 851.04 : x
  2. Step 2: Convert to fraction form
    2,825.43/4,238.12 = 851.04/x
  3. Step 3: Cross multiply
    2,825.43x = 4,238.12 × 851.04
  4. Step 4: Simplify right side
    2,825.43x = 3,606,805.39
  5. Step 5: Solve for x
    x = 3,606,805.39/2,825.43
  6. Step 6: Final answer
    x = 1,276.55

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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.