Home / 2,207.26-3,310.80-1,515.16

Finding the Fourth Proportional to 2,207.26, 3,310.80 and 1,515.16

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Solution

The fourth proportional to 2,207.26, 3,310.80 and 1,515.16 is: 2,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.26 : 3,310.80 = 1,515.16 : x
  2. Step 2: Convert to fraction form
    2,207.26/3,310.80 = 1,515.16/x
  3. Step 3: Cross multiply
    2,207.26x = 3,310.80 × 1,515.16
  4. Step 4: Simplify right side
    2,207.26x = 5,016,391.73
  5. Step 5: Solve for x
    x = 5,016,391.73/2,207.26
  6. Step 6: Final answer
    x = 2,272.68

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1.5x scale

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.