Home / 2,236.29-3,086.27-1,241.76

Finding the Fourth Proportional to 2,236.29, 3,086.27 and 1,241.76

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Solution

The fourth proportional to 2,236.29, 3,086.27 and 1,241.76 is: 1,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.29 : 3,086.27 = 1,241.76 : x
  2. Step 2: Convert to fraction form
    2,236.29/3,086.27 = 1,241.76/x
  3. Step 3: Cross multiply
    2,236.29x = 3,086.27 × 1,241.76
  4. Step 4: Simplify right side
    2,236.29x = 3,832,406.64
  5. Step 5: Solve for x
    x = 3,832,406.64/2,236.29
  6. Step 6: Final answer
    x = 1,713.73

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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.