Home / 3,540.54-5,309.46-1,348.68

Finding the Fourth Proportional to 3,540.54, 5,309.46 and 1,348.68

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Solution

The fourth proportional to 3,540.54, 5,309.46 and 1,348.68 is: 2,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.54 : 5,309.46 = 1,348.68 : x
  2. Step 2: Convert to fraction form
    3,540.54/5,309.46 = 1,348.68/x
  3. Step 3: Cross multiply
    3,540.54x = 5,309.46 × 1,348.68
  4. Step 4: Simplify right side
    3,540.54x = 7,160,762.51
  5. Step 5: Solve for x
    x = 7,160,762.51/3,540.54
  6. Step 6: Final answer
    x = 2,022.51

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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.