Home / 3,258.54-4,885.07-2,215.62

Finding the Fourth Proportional to 3,258.54, 4,885.07 and 2,215.62

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Solution

The fourth proportional to 3,258.54, 4,885.07 and 2,215.62 is: 3,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.54 : 4,885.07 = 2,215.62 : x
  2. Step 2: Convert to fraction form
    3,258.54/4,885.07 = 2,215.62/x
  3. Step 3: Cross multiply
    3,258.54x = 4,885.07 × 2,215.62
  4. Step 4: Simplify right side
    3,258.54x = 10,823,447.72
  5. Step 5: Solve for x
    x = 10,823,447.72/3,258.54
  6. Step 6: Final answer
    x = 3,321.56

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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.