Home / 3,540.12-5,308.96-1,349.47

Finding the Fourth Proportional to 3,540.12, 5,308.96 and 1,349.47

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Solution

The fourth proportional to 3,540.12, 5,308.96 and 1,349.47 is: 2,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.12 : 5,308.96 = 1,349.47 : x
  2. Step 2: Convert to fraction form
    3,540.12/5,308.96 = 1,349.47/x
  3. Step 3: Cross multiply
    3,540.12x = 5,308.96 × 1,349.47
  4. Step 4: Simplify right side
    3,540.12x = 7,164,282.25
  5. Step 5: Solve for x
    x = 7,164,282.25/3,540.12
  6. Step 6: Final answer
    x = 2,023.74

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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.