Home / 2,418.75-3,627.60-1,084.68

Finding the Fourth Proportional to 2,418.75, 3,627.60 and 1,084.68

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Solution

The fourth proportional to 2,418.75, 3,627.60 and 1,084.68 is: 1,626.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.75 : 3,627.60 = 1,084.68 : x
  2. Step 2: Convert to fraction form
    2,418.75/3,627.60 = 1,084.68/x
  3. Step 3: Cross multiply
    2,418.75x = 3,627.60 × 1,084.68
  4. Step 4: Simplify right side
    2,418.75x = 3,934,785.17
  5. Step 5: Solve for x
    x = 3,934,785.17/2,418.75
  6. Step 6: Final answer
    x = 1,626.78

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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.