Home / 3,540.24-5,309.60-1,348.16

Finding the Fourth Proportional to 3,540.24, 5,309.60 and 1,348.16

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Solution

The fourth proportional to 3,540.24, 5,309.60 and 1,348.16 is: 2,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.24 : 5,309.60 = 1,348.16 : x
  2. Step 2: Convert to fraction form
    3,540.24/5,309.60 = 1,348.16/x
  3. Step 3: Cross multiply
    3,540.24x = 5,309.60 × 1,348.16
  4. Step 4: Simplify right side
    3,540.24x = 7,158,190.34
  5. Step 5: Solve for x
    x = 7,158,190.34/3,540.24
  6. Step 6: Final answer
    x = 2,021.95

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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.