Home / 2,238.64-3,358.31-1,142.41

Finding the Fourth Proportional to 2,238.64, 3,358.31 and 1,142.41

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Solution

The fourth proportional to 2,238.64, 3,358.31 and 1,142.41 is: 1,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.64 : 3,358.31 = 1,142.41 : x
  2. Step 2: Convert to fraction form
    2,238.64/3,358.31 = 1,142.41/x
  3. Step 3: Cross multiply
    2,238.64x = 3,358.31 × 1,142.41
  4. Step 4: Simplify right side
    2,238.64x = 3,836,566.93
  5. Step 5: Solve for x
    x = 3,836,566.93/2,238.64
  6. Step 6: Final answer
    x = 1,713.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.