Home / 3,837.82-5,296.14-2,159.26

Finding the Fourth Proportional to 3,837.82, 5,296.14 and 2,159.26

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Solution

The fourth proportional to 3,837.82, 5,296.14 and 2,159.26 is: 2,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.82 : 5,296.14 = 2,159.26 : x
  2. Step 2: Convert to fraction form
    3,837.82/5,296.14 = 2,159.26/x
  3. Step 3: Cross multiply
    3,837.82x = 5,296.14 × 2,159.26
  4. Step 4: Simplify right side
    3,837.82x = 11,435,743.26
  5. Step 5: Solve for x
    x = 11,435,743.26/3,837.82
  6. Step 6: Final answer
    x = 2,979.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.