Home / 2,195.74-3,296.96-1,917.94

Finding the Fourth Proportional to 2,195.74, 3,296.96 and 1,917.94

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Solution

The fourth proportional to 2,195.74, 3,296.96 and 1,917.94 is: 2,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.74 : 3,296.96 = 1,917.94 : x
  2. Step 2: Convert to fraction form
    2,195.74/3,296.96 = 1,917.94/x
  3. Step 3: Cross multiply
    2,195.74x = 3,296.96 × 1,917.94
  4. Step 4: Simplify right side
    2,195.74x = 6,323,363.41
  5. Step 5: Solve for x
    x = 6,323,363.41/2,195.74
  6. Step 6: Final answer
    x = 2,879.83

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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.