Home / 3,540.60-5,308.56-1,347.96

Finding the Fourth Proportional to 3,540.60, 5,308.56 and 1,347.96

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Solution

The fourth proportional to 3,540.60, 5,308.56 and 1,347.96 is: 2,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.60 : 5,308.56 = 1,347.96 : x
  2. Step 2: Convert to fraction form
    3,540.60/5,308.56 = 1,347.96/x
  3. Step 3: Cross multiply
    3,540.60x = 5,308.56 × 1,347.96
  4. Step 4: Simplify right side
    3,540.60x = 7,155,726.54
  5. Step 5: Solve for x
    x = 7,155,726.54/3,540.60
  6. Step 6: Final answer
    x = 2,021.05

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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.