Home / 3,229.78-4,840.08-1,353.65

Finding the Fourth Proportional to 3,229.78, 4,840.08 and 1,353.65

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Solution

The fourth proportional to 3,229.78, 4,840.08 and 1,353.65 is: 2,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.78 : 4,840.08 = 1,353.65 : x
  2. Step 2: Convert to fraction form
    3,229.78/4,840.08 = 1,353.65/x
  3. Step 3: Cross multiply
    3,229.78x = 4,840.08 × 1,353.65
  4. Step 4: Simplify right side
    3,229.78x = 6,551,750.09
  5. Step 5: Solve for x
    x = 6,551,750.09/3,229.78
  6. Step 6: Final answer
    x = 2,028.55

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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.