Home / 3,540.95-4,873.62-3,118.54

Finding the Fourth Proportional to 3,540.95, 4,873.62 and 3,118.54

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Solution

The fourth proportional to 3,540.95, 4,873.62 and 3,118.54 is: 4,292.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.95 : 4,873.62 = 3,118.54 : x
  2. Step 2: Convert to fraction form
    3,540.95/4,873.62 = 3,118.54/x
  3. Step 3: Cross multiply
    3,540.95x = 4,873.62 × 3,118.54
  4. Step 4: Simplify right side
    3,540.95x = 15,198,578.91
  5. Step 5: Solve for x
    x = 15,198,578.91/3,540.95
  6. Step 6: Final answer
    x = 4,292.23

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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.