Home / 3,270.06-4,900.20-1,809.66

Finding the Fourth Proportional to 3,270.06, 4,900.20 and 1,809.66

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Solution

The fourth proportional to 3,270.06, 4,900.20 and 1,809.66 is: 2,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.06 : 4,900.20 = 1,809.66 : x
  2. Step 2: Convert to fraction form
    3,270.06/4,900.20 = 1,809.66/x
  3. Step 3: Cross multiply
    3,270.06x = 4,900.20 × 1,809.66
  4. Step 4: Simplify right side
    3,270.06x = 8,867,695.93
  5. Step 5: Solve for x
    x = 8,867,695.93/3,270.06
  6. Step 6: Final answer
    x = 2,711.78

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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.