Home / 3,480.30-4,805.73-2,306.61

Finding the Fourth Proportional to 3,480.30, 4,805.73 and 2,306.61

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Solution

The fourth proportional to 3,480.30, 4,805.73 and 2,306.61 is: 3,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.30 : 4,805.73 = 2,306.61 : x
  2. Step 2: Convert to fraction form
    3,480.30/4,805.73 = 2,306.61/x
  3. Step 3: Cross multiply
    3,480.30x = 4,805.73 × 2,306.61
  4. Step 4: Simplify right side
    3,480.30x = 11,084,944.88
  5. Step 5: Solve for x
    x = 11,084,944.88/3,480.30
  6. Step 6: Final answer
    x = 3,185.05

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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.