Home / 3,270.75-4,906.17-1,812.75

Finding the Fourth Proportional to 3,270.75, 4,906.17 and 1,812.75

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Solution

The fourth proportional to 3,270.75, 4,906.17 and 1,812.75 is: 2,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.75 : 4,906.17 = 1,812.75 : x
  2. Step 2: Convert to fraction form
    3,270.75/4,906.17 = 1,812.75/x
  3. Step 3: Cross multiply
    3,270.75x = 4,906.17 × 1,812.75
  4. Step 4: Simplify right side
    3,270.75x = 8,893,659.67
  5. Step 5: Solve for x
    x = 8,893,659.67/3,270.75
  6. Step 6: Final answer
    x = 2,719.15

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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.