Home / 3,258.82-4,884.12-1,778.02

Finding the Fourth Proportional to 3,258.82, 4,884.12 and 1,778.02

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Solution

The fourth proportional to 3,258.82, 4,884.12 and 1,778.02 is: 2,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.82 : 4,884.12 = 1,778.02 : x
  2. Step 2: Convert to fraction form
    3,258.82/4,884.12 = 1,778.02/x
  3. Step 3: Cross multiply
    3,258.82x = 4,884.12 × 1,778.02
  4. Step 4: Simplify right side
    3,258.82x = 8,684,063.04
  5. Step 5: Solve for x
    x = 8,684,063.04/3,258.82
  6. Step 6: Final answer
    x = 2,664.79

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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.