Home / 3,892.11-5,837.09-1,118.04

Finding the Fourth Proportional to 3,892.11, 5,837.09 and 1,118.04

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Solution

The fourth proportional to 3,892.11, 5,837.09 and 1,118.04 is: 1,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.11 : 5,837.09 = 1,118.04 : x
  2. Step 2: Convert to fraction form
    3,892.11/5,837.09 = 1,118.04/x
  3. Step 3: Cross multiply
    3,892.11x = 5,837.09 × 1,118.04
  4. Step 4: Simplify right side
    3,892.11x = 6,526,100.10
  5. Step 5: Solve for x
    x = 6,526,100.10/3,892.11
  6. Step 6: Final answer
    x = 1,676.75

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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.