Home / 2,194.65-3,291.57-961.83

Finding the Fourth Proportional to 2,194.65, 3,291.57 and 961.83

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Solution

The fourth proportional to 2,194.65, 3,291.57 and 961.83 is: 1,442.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.65 : 3,291.57 = 961.83 : x
  2. Step 2: Convert to fraction form
    2,194.65/3,291.57 = 961.83/x
  3. Step 3: Cross multiply
    2,194.65x = 3,291.57 × 961.83
  4. Step 4: Simplify right side
    2,194.65x = 3,165,930.77
  5. Step 5: Solve for x
    x = 3,165,930.77/2,194.65
  6. Step 6: Final answer
    x = 1,442.57

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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.