Home / 3,940.58-5,911.73-1,167.47

Finding the Fourth Proportional to 3,940.58, 5,911.73 and 1,167.47

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Solution

The fourth proportional to 3,940.58, 5,911.73 and 1,167.47 is: 1,751.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.58 : 5,911.73 = 1,167.47 : x
  2. Step 2: Convert to fraction form
    3,940.58/5,911.73 = 1,167.47/x
  3. Step 3: Cross multiply
    3,940.58x = 5,911.73 × 1,167.47
  4. Step 4: Simplify right side
    3,940.58x = 6,901,767.42
  5. Step 5: Solve for x
    x = 6,901,767.42/3,940.58
  6. Step 6: Final answer
    x = 1,751.46

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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.