Home / 2,181.96-3,268.34-1,717.54

Finding the Fourth Proportional to 2,181.96, 3,268.34 and 1,717.54

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Solution

The fourth proportional to 2,181.96, 3,268.34 and 1,717.54 is: 2,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.96 : 3,268.34 = 1,717.54 : x
  2. Step 2: Convert to fraction form
    2,181.96/3,268.34 = 1,717.54/x
  3. Step 3: Cross multiply
    2,181.96x = 3,268.34 × 1,717.54
  4. Step 4: Simplify right side
    2,181.96x = 5,613,504.68
  5. Step 5: Solve for x
    x = 5,613,504.68/2,181.96
  6. Step 6: Final answer
    x = 2,572.69

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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.