Home / 3,540.69-5,311.08-1,349.54

Finding the Fourth Proportional to 3,540.69, 5,311.08 and 1,349.54

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Solution

The fourth proportional to 3,540.69, 5,311.08 and 1,349.54 is: 2,024.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.69 : 5,311.08 = 1,349.54 : x
  2. Step 2: Convert to fraction form
    3,540.69/5,311.08 = 1,349.54/x
  3. Step 3: Cross multiply
    3,540.69x = 5,311.08 × 1,349.54
  4. Step 4: Simplify right side
    3,540.69x = 7,167,488.35
  5. Step 5: Solve for x
    x = 7,167,488.35/3,540.69
  6. Step 6: Final answer
    x = 2,024.32

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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.