Home / 3,551.54-5,322.68-1,906.16

Finding the Fourth Proportional to 3,551.54, 5,322.68 and 1,906.16

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Solution

The fourth proportional to 3,551.54, 5,322.68 and 1,906.16 is: 2,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.54 : 5,322.68 = 1,906.16 : x
  2. Step 2: Convert to fraction form
    3,551.54/5,322.68 = 1,906.16/x
  3. Step 3: Cross multiply
    3,551.54x = 5,322.68 × 1,906.16
  4. Step 4: Simplify right side
    3,551.54x = 10,145,843.56
  5. Step 5: Solve for x
    x = 10,145,843.56/3,551.54
  6. Step 6: Final answer
    x = 2,856.75

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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.