Home / 3,540.26-5,310.25-1,200.44

Finding the Fourth Proportional to 3,540.26, 5,310.25 and 1,200.44

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Solution

The fourth proportional to 3,540.26, 5,310.25 and 1,200.44 is: 1,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.26 : 5,310.25 = 1,200.44 : x
  2. Step 2: Convert to fraction form
    3,540.26/5,310.25 = 1,200.44/x
  3. Step 3: Cross multiply
    3,540.26x = 5,310.25 × 1,200.44
  4. Step 4: Simplify right side
    3,540.26x = 6,374,636.51
  5. Step 5: Solve for x
    x = 6,374,636.51/3,540.26
  6. Step 6: Final answer
    x = 1,800.61

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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.