Home / 3,857.22-5,788.87-1,983.03

Finding the Fourth Proportional to 3,857.22, 5,788.87 and 1,983.03

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Solution

The fourth proportional to 3,857.22, 5,788.87 and 1,983.03 is: 2,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.22 : 5,788.87 = 1,983.03 : x
  2. Step 2: Convert to fraction form
    3,857.22/5,788.87 = 1,983.03/x
  3. Step 3: Cross multiply
    3,857.22x = 5,788.87 × 1,983.03
  4. Step 4: Simplify right side
    3,857.22x = 11,479,502.88
  5. Step 5: Solve for x
    x = 11,479,502.88/3,857.22
  6. Step 6: Final answer
    x = 2,976.11

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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.