Home / 3,125.25-4,322.16-2,793.15

Finding the Fourth Proportional to 3,125.25, 4,322.16 and 2,793.15

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Solution

The fourth proportional to 3,125.25, 4,322.16 and 2,793.15 is: 3,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.25 : 4,322.16 = 2,793.15 : x
  2. Step 2: Convert to fraction form
    3,125.25/4,322.16 = 2,793.15/x
  3. Step 3: Cross multiply
    3,125.25x = 4,322.16 × 2,793.15
  4. Step 4: Simplify right side
    3,125.25x = 12,072,441.20
  5. Step 5: Solve for x
    x = 12,072,441.20/3,125.25
  6. Step 6: Final answer
    x = 3,862.87

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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.