Home / 3,975.45-5,486.22-2,183.01

Finding the Fourth Proportional to 3,975.45, 5,486.22 and 2,183.01

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Solution

The fourth proportional to 3,975.45, 5,486.22 and 2,183.01 is: 3,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.45 : 5,486.22 = 2,183.01 : x
  2. Step 2: Convert to fraction form
    3,975.45/5,486.22 = 2,183.01/x
  3. Step 3: Cross multiply
    3,975.45x = 5,486.22 × 2,183.01
  4. Step 4: Simplify right side
    3,975.45x = 11,976,473.12
  5. Step 5: Solve for x
    x = 11,976,473.12/3,975.45
  6. Step 6: Final answer
    x = 3,012.61

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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.