Home / 3,388.35-5,082.66-1,308.54

Finding the Fourth Proportional to 3,388.35, 5,082.66 and 1,308.54

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Solution

The fourth proportional to 3,388.35, 5,082.66 and 1,308.54 is: 1,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.35 : 5,082.66 = 1,308.54 : x
  2. Step 2: Convert to fraction form
    3,388.35/5,082.66 = 1,308.54/x
  3. Step 3: Cross multiply
    3,388.35x = 5,082.66 × 1,308.54
  4. Step 4: Simplify right side
    3,388.35x = 6,650,863.92
  5. Step 5: Solve for x
    x = 6,650,863.92/3,388.35
  6. Step 6: Final answer
    x = 1,962.86

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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.