Home / 3,379.46-4,629.78-3,253.11

Finding the Fourth Proportional to 3,379.46, 4,629.78 and 3,253.11

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Solution

The fourth proportional to 3,379.46, 4,629.78 and 3,253.11 is: 4,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.46 : 4,629.78 = 3,253.11 : x
  2. Step 2: Convert to fraction form
    3,379.46/4,629.78 = 3,253.11/x
  3. Step 3: Cross multiply
    3,379.46x = 4,629.78 × 3,253.11
  4. Step 4: Simplify right side
    3,379.46x = 15,061,156.75
  5. Step 5: Solve for x
    x = 15,061,156.75/3,379.46
  6. Step 6: Final answer
    x = 4,456.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.