Home / 3,940.38-5,910.63-1,167.33

Finding the Fourth Proportional to 3,940.38, 5,910.63 and 1,167.33

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Solution

The fourth proportional to 3,940.38, 5,910.63 and 1,167.33 is: 1,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.38 : 5,910.63 = 1,167.33 : x
  2. Step 2: Convert to fraction form
    3,940.38/5,910.63 = 1,167.33/x
  3. Step 3: Cross multiply
    3,940.38x = 5,910.63 × 1,167.33
  4. Step 4: Simplify right side
    3,940.38x = 6,899,655.72
  5. Step 5: Solve for x
    x = 6,899,655.72/3,940.38
  6. Step 6: Final answer
    x = 1,751.01

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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.