Home / 3,540.87-5,314.05-1,350.23

Finding the Fourth Proportional to 3,540.87, 5,314.05 and 1,350.23

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Solution

The fourth proportional to 3,540.87, 5,314.05 and 1,350.23 is: 2,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.87 : 5,314.05 = 1,350.23 : x
  2. Step 2: Convert to fraction form
    3,540.87/5,314.05 = 1,350.23/x
  3. Step 3: Cross multiply
    3,540.87x = 5,314.05 × 1,350.23
  4. Step 4: Simplify right side
    3,540.87x = 7,175,163.16
  5. Step 5: Solve for x
    x = 7,175,163.16/3,540.87
  6. Step 6: Final answer
    x = 2,026.38

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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.