Home / 3,195.23-4,789.01-1,879.61

Finding the Fourth Proportional to 3,195.23, 4,789.01 and 1,879.61

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Solution

The fourth proportional to 3,195.23, 4,789.01 and 1,879.61 is: 2,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.23 : 4,789.01 = 1,879.61 : x
  2. Step 2: Convert to fraction form
    3,195.23/4,789.01 = 1,879.61/x
  3. Step 3: Cross multiply
    3,195.23x = 4,789.01 × 1,879.61
  4. Step 4: Simplify right side
    3,195.23x = 9,001,451.84
  5. Step 5: Solve for x
    x = 9,001,451.84/3,195.23
  6. Step 6: Final answer
    x = 2,817.16

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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.