Home / 2,651.01-3,976.97-1,091.86

Finding the Fourth Proportional to 2,651.01, 3,976.97 and 1,091.86

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Solution

The fourth proportional to 2,651.01, 3,976.97 and 1,091.86 is: 1,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.01 : 3,976.97 = 1,091.86 : x
  2. Step 2: Convert to fraction form
    2,651.01/3,976.97 = 1,091.86/x
  3. Step 3: Cross multiply
    2,651.01x = 3,976.97 × 1,091.86
  4. Step 4: Simplify right side
    2,651.01x = 4,342,279.06
  5. Step 5: Solve for x
    x = 4,342,279.06/2,651.01
  6. Step 6: Final answer
    x = 1,637.97

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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.