Home / 3,310.20-4,969.35-3,285.90

Finding the Fourth Proportional to 3,310.20, 4,969.35 and 3,285.90

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Solution

The fourth proportional to 3,310.20, 4,969.35 and 3,285.90 is: 4,932.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.20 : 4,969.35 = 3,285.90 : x
  2. Step 2: Convert to fraction form
    3,310.20/4,969.35 = 3,285.90/x
  3. Step 3: Cross multiply
    3,310.20x = 4,969.35 × 3,285.90
  4. Step 4: Simplify right side
    3,310.20x = 16,328,787.17
  5. Step 5: Solve for x
    x = 16,328,787.17/3,310.20
  6. Step 6: Final answer
    x = 4,932.87

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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.