Home / 3,081.66-4,251.42-2,240.52

Finding the Fourth Proportional to 3,081.66, 4,251.42 and 2,240.52

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Solution

The fourth proportional to 3,081.66, 4,251.42 and 2,240.52 is: 3,090.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.66 : 4,251.42 = 2,240.52 : x
  2. Step 2: Convert to fraction form
    3,081.66/4,251.42 = 2,240.52/x
  3. Step 3: Cross multiply
    3,081.66x = 4,251.42 × 2,240.52
  4. Step 4: Simplify right side
    3,081.66x = 9,525,391.54
  5. Step 5: Solve for x
    x = 9,525,391.54/3,081.66
  6. Step 6: Final answer
    x = 3,090.99

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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.