Home / 3,837.69-5,296.17-2,159.17

Finding the Fourth Proportional to 3,837.69, 5,296.17 and 2,159.17

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Solution

The fourth proportional to 3,837.69, 5,296.17 and 2,159.17 is: 2,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.69 : 5,296.17 = 2,159.17 : x
  2. Step 2: Convert to fraction form
    3,837.69/5,296.17 = 2,159.17/x
  3. Step 3: Cross multiply
    3,837.69x = 5,296.17 × 2,159.17
  4. Step 4: Simplify right side
    3,837.69x = 11,435,331.38
  5. Step 5: Solve for x
    x = 11,435,331.38/3,837.69
  6. Step 6: Final answer
    x = 2,979.74

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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.