Home / 3,218.29-4,830.84-2,850.48

Finding the Fourth Proportional to 3,218.29, 4,830.84 and 2,850.48

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Solution

The fourth proportional to 3,218.29, 4,830.84 and 2,850.48 is: 4,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.29 : 4,830.84 = 2,850.48 : x
  2. Step 2: Convert to fraction form
    3,218.29/4,830.84 = 2,850.48/x
  3. Step 3: Cross multiply
    3,218.29x = 4,830.84 × 2,850.48
  4. Step 4: Simplify right side
    3,218.29x = 13,770,188.65
  5. Step 5: Solve for x
    x = 13,770,188.65/3,218.29
  6. Step 6: Final answer
    x = 4,278.73

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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.