Home / 3,942.18-5,911.68-1,167.93

Finding the Fourth Proportional to 3,942.18, 5,911.68 and 1,167.93

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Solution

The fourth proportional to 3,942.18, 5,911.68 and 1,167.93 is: 1,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.18 : 5,911.68 = 1,167.93 : x
  2. Step 2: Convert to fraction form
    3,942.18/5,911.68 = 1,167.93/x
  3. Step 3: Cross multiply
    3,942.18x = 5,911.68 × 1,167.93
  4. Step 4: Simplify right side
    3,942.18x = 6,904,428.42
  5. Step 5: Solve for x
    x = 6,904,428.42/3,942.18
  6. Step 6: Final answer
    x = 1,751.42

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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.