Home / 3,137.22-4,335.12-2,251.62

Finding the Fourth Proportional to 3,137.22, 4,335.12 and 2,251.62

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Solution

The fourth proportional to 3,137.22, 4,335.12 and 2,251.62 is: 3,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.22 : 4,335.12 = 2,251.62 : x
  2. Step 2: Convert to fraction form
    3,137.22/4,335.12 = 2,251.62/x
  3. Step 3: Cross multiply
    3,137.22x = 4,335.12 × 2,251.62
  4. Step 4: Simplify right side
    3,137.22x = 9,761,042.89
  5. Step 5: Solve for x
    x = 9,761,042.89/3,137.22
  6. Step 6: Final answer
    x = 3,111.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.