Home / 2,232.68-3,081.10-1,238

Finding the Fourth Proportional to 2,232.68, 3,081.10 and 1,238

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Solution

The fourth proportional to 2,232.68, 3,081.10 and 1,238 is: 1,708.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.68 : 3,081.10 = 1,238 : x
  2. Step 2: Convert to fraction form
    2,232.68/3,081.10 = 1,238/x
  3. Step 3: Cross multiply
    2,232.68x = 3,081.10 × 1,238
  4. Step 4: Simplify right side
    2,232.68x = 3,814,401.80
  5. Step 5: Solve for x
    x = 3,814,401.80/2,232.68
  6. Step 6: Final answer
    x = 1,708.44

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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.