Home / 2,167.18-3,249.40-1,193.96

Finding the Fourth Proportional to 2,167.18, 3,249.40 and 1,193.96

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Solution

The fourth proportional to 2,167.18, 3,249.40 and 1,193.96 is: 1,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.18 : 3,249.40 = 1,193.96 : x
  2. Step 2: Convert to fraction form
    2,167.18/3,249.40 = 1,193.96/x
  3. Step 3: Cross multiply
    2,167.18x = 3,249.40 × 1,193.96
  4. Step 4: Simplify right side
    2,167.18x = 3,879,658.76
  5. Step 5: Solve for x
    x = 3,879,658.76/2,167.18
  6. Step 6: Final answer
    x = 1,790.19

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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.