Home / 3,540.39-5,310.77-1,348.71

Finding the Fourth Proportional to 3,540.39, 5,310.77 and 1,348.71

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Solution

The fourth proportional to 3,540.39, 5,310.77 and 1,348.71 is: 2,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.39 : 5,310.77 = 1,348.71 : x
  2. Step 2: Convert to fraction form
    3,540.39/5,310.77 = 1,348.71/x
  3. Step 3: Cross multiply
    3,540.39x = 5,310.77 × 1,348.71
  4. Step 4: Simplify right side
    3,540.39x = 7,162,681.86
  5. Step 5: Solve for x
    x = 7,162,681.86/3,540.39
  6. Step 6: Final answer
    x = 2,023.13

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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.