Home / 3,126.22-4,689.24-1,481.62

Finding the Fourth Proportional to 3,126.22, 4,689.24 and 1,481.62

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Solution

The fourth proportional to 3,126.22, 4,689.24 and 1,481.62 is: 2,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.22 : 4,689.24 = 1,481.62 : x
  2. Step 2: Convert to fraction form
    3,126.22/4,689.24 = 1,481.62/x
  3. Step 3: Cross multiply
    3,126.22x = 4,689.24 × 1,481.62
  4. Step 4: Simplify right side
    3,126.22x = 6,947,671.77
  5. Step 5: Solve for x
    x = 6,947,671.77/3,126.22
  6. Step 6: Final answer
    x = 2,222.39

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1.5x scale

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.