Home / 3,137.43-4,708.11-2,845.47

Finding the Fourth Proportional to 3,137.43, 4,708.11 and 2,845.47

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Solution

The fourth proportional to 3,137.43, 4,708.11 and 2,845.47 is: 4,269.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.43 : 4,708.11 = 2,845.47 : x
  2. Step 2: Convert to fraction form
    3,137.43/4,708.11 = 2,845.47/x
  3. Step 3: Cross multiply
    3,137.43x = 4,708.11 × 2,845.47
  4. Step 4: Simplify right side
    3,137.43x = 13,396,785.76
  5. Step 5: Solve for x
    x = 13,396,785.76/3,137.43
  6. Step 6: Final answer
    x = 4,269.99

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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.