Home / 2,236.64-3,086.21-1,241.90

Finding the Fourth Proportional to 2,236.64, 3,086.21 and 1,241.90

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Solution

The fourth proportional to 2,236.64, 3,086.21 and 1,241.90 is: 1,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.64 : 3,086.21 = 1,241.90 : x
  2. Step 2: Convert to fraction form
    2,236.64/3,086.21 = 1,241.90/x
  3. Step 3: Cross multiply
    2,236.64x = 3,086.21 × 1,241.90
  4. Step 4: Simplify right side
    2,236.64x = 3,832,764.20
  5. Step 5: Solve for x
    x = 3,832,764.20/2,236.64
  6. Step 6: Final answer
    x = 1,713.63

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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.