Home / 3,837.61-5,295.99-2,159.11

Finding the Fourth Proportional to 3,837.61, 5,295.99 and 2,159.11

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Solution

The fourth proportional to 3,837.61, 5,295.99 and 2,159.11 is: 2,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.61 : 5,295.99 = 2,159.11 : x
  2. Step 2: Convert to fraction form
    3,837.61/5,295.99 = 2,159.11/x
  3. Step 3: Cross multiply
    3,837.61x = 5,295.99 × 2,159.11
  4. Step 4: Simplify right side
    3,837.61x = 11,434,624.97
  5. Step 5: Solve for x
    x = 11,434,624.97/3,837.61
  6. Step 6: Final answer
    x = 2,979.62

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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.