Home / 3,540.08-5,308.08-3,140.34

Finding the Fourth Proportional to 3,540.08, 5,308.08 and 3,140.34

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Solution

The fourth proportional to 3,540.08, 5,308.08 and 3,140.34 is: 4,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.08 : 5,308.08 = 3,140.34 : x
  2. Step 2: Convert to fraction form
    3,540.08/5,308.08 = 3,140.34/x
  3. Step 3: Cross multiply
    3,540.08x = 5,308.08 × 3,140.34
  4. Step 4: Simplify right side
    3,540.08x = 16,669,175.95
  5. Step 5: Solve for x
    x = 16,669,175.95/3,540.08
  6. Step 6: Final answer
    x = 4,708.71

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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.