Home / 1,163.26-1,742.46-1,083.34

Finding the Fourth Proportional to 1,163.26, 1,742.46 and 1,083.34

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Solution

The fourth proportional to 1,163.26, 1,742.46 and 1,083.34 is: 1,622.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.26 : 1,742.46 = 1,083.34 : x
  2. Step 2: Convert to fraction form
    1,163.26/1,742.46 = 1,083.34/x
  3. Step 3: Cross multiply
    1,163.26x = 1,742.46 × 1,083.34
  4. Step 4: Simplify right side
    1,163.26x = 1,887,676.62
  5. Step 5: Solve for x
    x = 1,887,676.62/1,163.26
  6. Step 6: Final answer
    x = 1,622.75

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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.