Home / 2,233.28-3,348.80-934.40

Finding the Fourth Proportional to 2,233.28, 3,348.80 and 934.40

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Solution

The fourth proportional to 2,233.28, 3,348.80 and 934.40 is: 1,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.28 : 3,348.80 = 934.40 : x
  2. Step 2: Convert to fraction form
    2,233.28/3,348.80 = 934.40/x
  3. Step 3: Cross multiply
    2,233.28x = 3,348.80 × 934.40
  4. Step 4: Simplify right side
    2,233.28x = 3,129,118.72
  5. Step 5: Solve for x
    x = 3,129,118.72/2,233.28
  6. Step 6: Final answer
    x = 1,401.13

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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.