Home / 3,837.29-5,757.75-1,988.06

Finding the Fourth Proportional to 3,837.29, 5,757.75 and 1,988.06

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Solution

The fourth proportional to 3,837.29, 5,757.75 and 1,988.06 is: 2,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.29 : 5,757.75 = 1,988.06 : x
  2. Step 2: Convert to fraction form
    3,837.29/5,757.75 = 1,988.06/x
  3. Step 3: Cross multiply
    3,837.29x = 5,757.75 × 1,988.06
  4. Step 4: Simplify right side
    3,837.29x = 11,446,723.68
  5. Step 5: Solve for x
    x = 11,446,723.68/3,837.29
  6. Step 6: Final answer
    x = 2,983.03

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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.