Home / 3,940.98-5,911.23-1,167.66

Finding the Fourth Proportional to 3,940.98, 5,911.23 and 1,167.66

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Solution

The fourth proportional to 3,940.98, 5,911.23 and 1,167.66 is: 1,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.98 : 5,911.23 = 1,167.66 : x
  2. Step 2: Convert to fraction form
    3,940.98/5,911.23 = 1,167.66/x
  3. Step 3: Cross multiply
    3,940.98x = 5,911.23 × 1,167.66
  4. Step 4: Simplify right side
    3,940.98x = 6,902,306.82
  5. Step 5: Solve for x
    x = 6,902,306.82/3,940.98
  6. Step 6: Final answer
    x = 1,751.42

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1.5x scale

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.