Home / 3,081.64-4,251.18-2,240.96

Finding the Fourth Proportional to 3,081.64, 4,251.18 and 2,240.96

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Solution

The fourth proportional to 3,081.64, 4,251.18 and 2,240.96 is: 3,091.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.64 : 4,251.18 = 2,240.96 : x
  2. Step 2: Convert to fraction form
    3,081.64/4,251.18 = 2,240.96/x
  3. Step 3: Cross multiply
    3,081.64x = 4,251.18 × 2,240.96
  4. Step 4: Simplify right side
    3,081.64x = 9,526,724.33
  5. Step 5: Solve for x
    x = 9,526,724.33/3,081.64
  6. Step 6: Final answer
    x = 3,091.45

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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.