Home / 2,815.97-4,224.45-1,084.46

Finding the Fourth Proportional to 2,815.97, 4,224.45 and 1,084.46

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Solution

The fourth proportional to 2,815.97, 4,224.45 and 1,084.46 is: 1,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.97 : 4,224.45 = 1,084.46 : x
  2. Step 2: Convert to fraction form
    2,815.97/4,224.45 = 1,084.46/x
  3. Step 3: Cross multiply
    2,815.97x = 4,224.45 × 1,084.46
  4. Step 4: Simplify right side
    2,815.97x = 4,581,247.05
  5. Step 5: Solve for x
    x = 4,581,247.05/2,815.97
  6. Step 6: Final answer
    x = 1,626.88

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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.