Home / 3,278.75-4,910.32-1,795.75

Finding the Fourth Proportional to 3,278.75, 4,910.32 and 1,795.75

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Solution

The fourth proportional to 3,278.75, 4,910.32 and 1,795.75 is: 2,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.75 : 4,910.32 = 1,795.75 : x
  2. Step 2: Convert to fraction form
    3,278.75/4,910.32 = 1,795.75/x
  3. Step 3: Cross multiply
    3,278.75x = 4,910.32 × 1,795.75
  4. Step 4: Simplify right side
    3,278.75x = 8,817,724.73
  5. Step 5: Solve for x
    x = 8,817,724.73/3,278.75
  6. Step 6: Final answer
    x = 2,689.36

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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.