Home / 2,266.26-3,399.47-1,279.14

Finding the Fourth Proportional to 2,266.26, 3,399.47 and 1,279.14

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Solution

The fourth proportional to 2,266.26, 3,399.47 and 1,279.14 is: 1,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.26 : 3,399.47 = 1,279.14 : x
  2. Step 2: Convert to fraction form
    2,266.26/3,399.47 = 1,279.14/x
  3. Step 3: Cross multiply
    2,266.26x = 3,399.47 × 1,279.14
  4. Step 4: Simplify right side
    2,266.26x = 4,348,391.66
  5. Step 5: Solve for x
    x = 4,348,391.66/2,266.26
  6. Step 6: Final answer
    x = 1,918.75

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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.