Home / 2,236.14-3,086.30-1,292.49

Finding the Fourth Proportional to 2,236.14, 3,086.30 and 1,292.49

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Solution

The fourth proportional to 2,236.14, 3,086.30 and 1,292.49 is: 1,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.14 : 3,086.30 = 1,292.49 : x
  2. Step 2: Convert to fraction form
    2,236.14/3,086.30 = 1,292.49/x
  3. Step 3: Cross multiply
    2,236.14x = 3,086.30 × 1,292.49
  4. Step 4: Simplify right side
    2,236.14x = 3,989,015.12
  5. Step 5: Solve for x
    x = 3,989,015.12/2,236.14
  6. Step 6: Final answer
    x = 1,783.88

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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.