Home / 1,618.15-2,422.62-1,229.73

Finding the Fourth Proportional to 1,618.15, 2,422.62 and 1,229.73

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Solution

The fourth proportional to 1,618.15, 2,422.62 and 1,229.73 is: 1,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.15 : 2,422.62 = 1,229.73 : x
  2. Step 2: Convert to fraction form
    1,618.15/2,422.62 = 1,229.73/x
  3. Step 3: Cross multiply
    1,618.15x = 2,422.62 × 1,229.73
  4. Step 4: Simplify right side
    1,618.15x = 2,979,166.98
  5. Step 5: Solve for x
    x = 2,979,166.98/1,618.15
  6. Step 6: Final answer
    x = 1,841.09

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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.