Home / 3,556.28-5,321.66-2,169.96

Finding the Fourth Proportional to 3,556.28, 5,321.66 and 2,169.96

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Solution

The fourth proportional to 3,556.28, 5,321.66 and 2,169.96 is: 3,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.28 : 5,321.66 = 2,169.96 : x
  2. Step 2: Convert to fraction form
    3,556.28/5,321.66 = 2,169.96/x
  3. Step 3: Cross multiply
    3,556.28x = 5,321.66 × 2,169.96
  4. Step 4: Simplify right side
    3,556.28x = 11,547,789.33
  5. Step 5: Solve for x
    x = 11,547,789.33/3,556.28
  6. Step 6: Final answer
    x = 3,247.15

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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.