Home / 2,238.54-3,089.19-1,243.88

Finding the Fourth Proportional to 2,238.54, 3,089.19 and 1,243.88

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Solution

The fourth proportional to 2,238.54, 3,089.19 and 1,243.88 is: 1,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.54 : 3,089.19 = 1,243.88 : x
  2. Step 2: Convert to fraction form
    2,238.54/3,089.19 = 1,243.88/x
  3. Step 3: Cross multiply
    2,238.54x = 3,089.19 × 1,243.88
  4. Step 4: Simplify right side
    2,238.54x = 3,842,581.66
  5. Step 5: Solve for x
    x = 3,842,581.66/2,238.54
  6. Step 6: Final answer
    x = 1,716.56

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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.