Home / 2,233.28-3,348.68-916.68

Finding the Fourth Proportional to 2,233.28, 3,348.68 and 916.68

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Solution

The fourth proportional to 2,233.28, 3,348.68 and 916.68 is: 1,374.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.28 : 3,348.68 = 916.68 : x
  2. Step 2: Convert to fraction form
    2,233.28/3,348.68 = 916.68/x
  3. Step 3: Cross multiply
    2,233.28x = 3,348.68 × 916.68
  4. Step 4: Simplify right side
    2,233.28x = 3,069,667.98
  5. Step 5: Solve for x
    x = 3,069,667.98/2,233.28
  6. Step 6: Final answer
    x = 1,374.51

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1.5x scale

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.