Home / 3,091.25-4,266.32-2,254.73

Finding the Fourth Proportional to 3,091.25, 4,266.32 and 2,254.73

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Solution

The fourth proportional to 3,091.25, 4,266.32 and 2,254.73 is: 3,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.25 : 4,266.32 = 2,254.73 : x
  2. Step 2: Convert to fraction form
    3,091.25/4,266.32 = 2,254.73/x
  3. Step 3: Cross multiply
    3,091.25x = 4,266.32 × 2,254.73
  4. Step 4: Simplify right side
    3,091.25x = 9,619,367.09
  5. Step 5: Solve for x
    x = 9,619,367.09/3,091.25
  6. Step 6: Final answer
    x = 3,111.81

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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.