Home / 2,874.54-4,308.19-1,229.15

Finding the Fourth Proportional to 2,874.54, 4,308.19 and 1,229.15

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Solution

The fourth proportional to 2,874.54, 4,308.19 and 1,229.15 is: 1,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.54 : 4,308.19 = 1,229.15 : x
  2. Step 2: Convert to fraction form
    2,874.54/4,308.19 = 1,229.15/x
  3. Step 3: Cross multiply
    2,874.54x = 4,308.19 × 1,229.15
  4. Step 4: Simplify right side
    2,874.54x = 5,295,390.20
  5. Step 5: Solve for x
    x = 5,295,390.20/2,874.54
  6. Step 6: Final answer
    x = 1,842.17

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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.