Home / 3,326.30-4,990.78-1,352.08

Finding the Fourth Proportional to 3,326.30, 4,990.78 and 1,352.08

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Solution

The fourth proportional to 3,326.30, 4,990.78 and 1,352.08 is: 2,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.30 : 4,990.78 = 1,352.08 : x
  2. Step 2: Convert to fraction form
    3,326.30/4,990.78 = 1,352.08/x
  3. Step 3: Cross multiply
    3,326.30x = 4,990.78 × 1,352.08
  4. Step 4: Simplify right side
    3,326.30x = 6,747,906.07
  5. Step 5: Solve for x
    x = 6,747,906.07/3,326.30
  6. Step 6: Final answer
    x = 2,028.65

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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.