Home / 2,788.24-4,179.12-1,246

Finding the Fourth Proportional to 2,788.24, 4,179.12 and 1,246

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Solution

The fourth proportional to 2,788.24, 4,179.12 and 1,246 is: 1,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.24 : 4,179.12 = 1,246 : x
  2. Step 2: Convert to fraction form
    2,788.24/4,179.12 = 1,246/x
  3. Step 3: Cross multiply
    2,788.24x = 4,179.12 × 1,246
  4. Step 4: Simplify right side
    2,788.24x = 5,207,183.52
  5. Step 5: Solve for x
    x = 5,207,183.52/2,788.24
  6. Step 6: Final answer
    x = 1,867.55

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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.