Home / 3,208.73-4,806.86-1,817.78

Finding the Fourth Proportional to 3,208.73, 4,806.86 and 1,817.78

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Solution

The fourth proportional to 3,208.73, 4,806.86 and 1,817.78 is: 2,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.73 : 4,806.86 = 1,817.78 : x
  2. Step 2: Convert to fraction form
    3,208.73/4,806.86 = 1,817.78/x
  3. Step 3: Cross multiply
    3,208.73x = 4,806.86 × 1,817.78
  4. Step 4: Simplify right side
    3,208.73x = 8,737,813.97
  5. Step 5: Solve for x
    x = 8,737,813.97/3,208.73
  6. Step 6: Final answer
    x = 2,723.14

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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.