Home / 3,540.68-5,313.24-1,349.60

Finding the Fourth Proportional to 3,540.68, 5,313.24 and 1,349.60

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Solution

The fourth proportional to 3,540.68, 5,313.24 and 1,349.60 is: 2,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.68 : 5,313.24 = 1,349.60 : x
  2. Step 2: Convert to fraction form
    3,540.68/5,313.24 = 1,349.60/x
  3. Step 3: Cross multiply
    3,540.68x = 5,313.24 × 1,349.60
  4. Step 4: Simplify right side
    3,540.68x = 7,170,748.70
  5. Step 5: Solve for x
    x = 7,170,748.70/3,540.68
  6. Step 6: Final answer
    x = 2,025.25

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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.