Home / 2,578.53-3,867.24-1,260.92

Finding the Fourth Proportional to 2,578.53, 3,867.24 and 1,260.92

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Solution

The fourth proportional to 2,578.53, 3,867.24 and 1,260.92 is: 1,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.53 : 3,867.24 = 1,260.92 : x
  2. Step 2: Convert to fraction form
    2,578.53/3,867.24 = 1,260.92/x
  3. Step 3: Cross multiply
    2,578.53x = 3,867.24 × 1,260.92
  4. Step 4: Simplify right side
    2,578.53x = 4,876,272.90
  5. Step 5: Solve for x
    x = 4,876,272.90/2,578.53
  6. Step 6: Final answer
    x = 1,891.10

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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.