Home / 4,257.68-5,874.92-2,578.80

Finding the Fourth Proportional to 4,257.68, 5,874.92 and 2,578.80

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Solution

The fourth proportional to 4,257.68, 5,874.92 and 2,578.80 is: 3,558.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.68 : 5,874.92 = 2,578.80 : x
  2. Step 2: Convert to fraction form
    4,257.68/5,874.92 = 2,578.80/x
  3. Step 3: Cross multiply
    4,257.68x = 5,874.92 × 2,578.80
  4. Step 4: Simplify right side
    4,257.68x = 15,150,243.70
  5. Step 5: Solve for x
    x = 15,150,243.70/4,257.68
  6. Step 6: Final answer
    x = 3,558.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.