Home / 3,540.24-5,310.84-1,231.44

Finding the Fourth Proportional to 3,540.24, 5,310.84 and 1,231.44

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Solution

The fourth proportional to 3,540.24, 5,310.84 and 1,231.44 is: 1,847.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.24 : 5,310.84 = 1,231.44 : x
  2. Step 2: Convert to fraction form
    3,540.24/5,310.84 = 1,231.44/x
  3. Step 3: Cross multiply
    3,540.24x = 5,310.84 × 1,231.44
  4. Step 4: Simplify right side
    3,540.24x = 6,539,980.81
  5. Step 5: Solve for x
    x = 6,539,980.81/3,540.24
  6. Step 6: Final answer
    x = 1,847.33

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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.