Home / 2,825.62-4,234.33-2,005.49

Finding the Fourth Proportional to 2,825.62, 4,234.33 and 2,005.49

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Solution

The fourth proportional to 2,825.62, 4,234.33 and 2,005.49 is: 3,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.62 : 4,234.33 = 2,005.49 : x
  2. Step 2: Convert to fraction form
    2,825.62/4,234.33 = 2,005.49/x
  3. Step 3: Cross multiply
    2,825.62x = 4,234.33 × 2,005.49
  4. Step 4: Simplify right side
    2,825.62x = 8,491,906.47
  5. Step 5: Solve for x
    x = 8,491,906.47/2,825.62
  6. Step 6: Final answer
    x = 3,005.33

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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.