Home / 3,551.43-5,328-1,086.09

Finding the Fourth Proportional to 3,551.43, 5,328 and 1,086.09

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Solution

The fourth proportional to 3,551.43, 5,328 and 1,086.09 is: 1,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.43 : 5,328 = 1,086.09 : x
  2. Step 2: Convert to fraction form
    3,551.43/5,328 = 1,086.09/x
  3. Step 3: Cross multiply
    3,551.43x = 5,328 × 1,086.09
  4. Step 4: Simplify right side
    3,551.43x = 5,786,687.52
  5. Step 5: Solve for x
    x = 5,786,687.52/3,551.43
  6. Step 6: Final answer
    x = 1,629.40

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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.