Home / 2,609.26-3,911.26-1,636.05

Finding the Fourth Proportional to 2,609.26, 3,911.26 and 1,636.05

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Solution

The fourth proportional to 2,609.26, 3,911.26 and 1,636.05 is: 2,452.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.26 : 3,911.26 = 1,636.05 : x
  2. Step 2: Convert to fraction form
    2,609.26/3,911.26 = 1,636.05/x
  3. Step 3: Cross multiply
    2,609.26x = 3,911.26 × 1,636.05
  4. Step 4: Simplify right side
    2,609.26x = 6,398,993.28
  5. Step 5: Solve for x
    x = 6,398,993.28/2,609.26
  6. Step 6: Final answer
    x = 2,452.42

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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.