Home / 2,238.12-3,354-1,143.24

Finding the Fourth Proportional to 2,238.12, 3,354 and 1,143.24

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Solution

The fourth proportional to 2,238.12, 3,354 and 1,143.24 is: 1,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.12 : 3,354 = 1,143.24 : x
  2. Step 2: Convert to fraction form
    2,238.12/3,354 = 1,143.24/x
  3. Step 3: Cross multiply
    2,238.12x = 3,354 × 1,143.24
  4. Step 4: Simplify right side
    2,238.12x = 3,834,426.96
  5. Step 5: Solve for x
    x = 3,834,426.96/2,238.12
  6. Step 6: Final answer
    x = 1,713.24

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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.