Home / 2,929.73-4,391.52-1,079.66

Finding the Fourth Proportional to 2,929.73, 4,391.52 and 1,079.66

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Solution

The fourth proportional to 2,929.73, 4,391.52 and 1,079.66 is: 1,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.73 : 4,391.52 = 1,079.66 : x
  2. Step 2: Convert to fraction form
    2,929.73/4,391.52 = 1,079.66/x
  3. Step 3: Cross multiply
    2,929.73x = 4,391.52 × 1,079.66
  4. Step 4: Simplify right side
    2,929.73x = 4,741,355.41
  5. Step 5: Solve for x
    x = 4,741,355.41/2,929.73
  6. Step 6: Final answer
    x = 1,618.36

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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.