Home / 1,813.16-2,716.68-1,163.54

Finding the Fourth Proportional to 1,813.16, 2,716.68 and 1,163.54

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Solution

The fourth proportional to 1,813.16, 2,716.68 and 1,163.54 is: 1,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.16 : 2,716.68 = 1,163.54 : x
  2. Step 2: Convert to fraction form
    1,813.16/2,716.68 = 1,163.54/x
  3. Step 3: Cross multiply
    1,813.16x = 2,716.68 × 1,163.54
  4. Step 4: Simplify right side
    1,813.16x = 3,160,965.85
  5. Step 5: Solve for x
    x = 3,160,965.85/1,813.16
  6. Step 6: Final answer
    x = 1,743.35

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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.