Home / 2,164.14-3,245.97-1,009.86

Finding the Fourth Proportional to 2,164.14, 3,245.97 and 1,009.86

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Solution

The fourth proportional to 2,164.14, 3,245.97 and 1,009.86 is: 1,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.14 : 3,245.97 = 1,009.86 : x
  2. Step 2: Convert to fraction form
    2,164.14/3,245.97 = 1,009.86/x
  3. Step 3: Cross multiply
    2,164.14x = 3,245.97 × 1,009.86
  4. Step 4: Simplify right side
    2,164.14x = 3,277,975.26
  5. Step 5: Solve for x
    x = 3,277,975.26/2,164.14
  6. Step 6: Final answer
    x = 1,514.68

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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.