Home / 3,540.84-5,306.94-1,229.64

Finding the Fourth Proportional to 3,540.84, 5,306.94 and 1,229.64

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Solution

The fourth proportional to 3,540.84, 5,306.94 and 1,229.64 is: 1,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.84 : 5,306.94 = 1,229.64 : x
  2. Step 2: Convert to fraction form
    3,540.84/5,306.94 = 1,229.64/x
  3. Step 3: Cross multiply
    3,540.84x = 5,306.94 × 1,229.64
  4. Step 4: Simplify right side
    3,540.84x = 6,525,625.70
  5. Step 5: Solve for x
    x = 6,525,625.70/3,540.84
  6. Step 6: Final answer
    x = 1,842.96

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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.