Home / 3,086.94-4,255.55-2,201.21

Finding the Fourth Proportional to 3,086.94, 4,255.55 and 2,201.21

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Solution

The fourth proportional to 3,086.94, 4,255.55 and 2,201.21 is: 3,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.94 : 4,255.55 = 2,201.21 : x
  2. Step 2: Convert to fraction form
    3,086.94/4,255.55 = 2,201.21/x
  3. Step 3: Cross multiply
    3,086.94x = 4,255.55 × 2,201.21
  4. Step 4: Simplify right side
    3,086.94x = 9,367,359.22
  5. Step 5: Solve for x
    x = 9,367,359.22/3,086.94
  6. Step 6: Final answer
    x = 3,034.51

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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.