Home / 4,181.36-5,768.62-2,765.81

Finding the Fourth Proportional to 4,181.36, 5,768.62 and 2,765.81

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Solution

The fourth proportional to 4,181.36, 5,768.62 and 2,765.81 is: 3,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.36 : 5,768.62 = 2,765.81 : x
  2. Step 2: Convert to fraction form
    4,181.36/5,768.62 = 2,765.81/x
  3. Step 3: Cross multiply
    4,181.36x = 5,768.62 × 2,765.81
  4. Step 4: Simplify right side
    4,181.36x = 15,954,914.39
  5. Step 5: Solve for x
    x = 15,954,914.39/4,181.36
  6. Step 6: Final answer
    x = 3,815.73

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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.