Home / 2,091.27-3,135.06-793.65

Finding the Fourth Proportional to 2,091.27, 3,135.06 and 793.65

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Solution

The fourth proportional to 2,091.27, 3,135.06 and 793.65 is: 1,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.27 : 3,135.06 = 793.65 : x
  2. Step 2: Convert to fraction form
    2,091.27/3,135.06 = 793.65/x
  3. Step 3: Cross multiply
    2,091.27x = 3,135.06 × 793.65
  4. Step 4: Simplify right side
    2,091.27x = 2,488,140.37
  5. Step 5: Solve for x
    x = 2,488,140.37/2,091.27
  6. Step 6: Final answer
    x = 1,189.77

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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.