Home / 3,540.05-5,310.09-1,074.89

Finding the Fourth Proportional to 3,540.05, 5,310.09 and 1,074.89

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Solution

The fourth proportional to 3,540.05, 5,310.09 and 1,074.89 is: 1,612.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.05 : 5,310.09 = 1,074.89 : x
  2. Step 2: Convert to fraction form
    3,540.05/5,310.09 = 1,074.89/x
  3. Step 3: Cross multiply
    3,540.05x = 5,310.09 × 1,074.89
  4. Step 4: Simplify right side
    3,540.05x = 5,707,757.27
  5. Step 5: Solve for x
    x = 5,707,757.27/3,540.05
  6. Step 6: Final answer
    x = 1,612.34

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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.