Home / 3,940.26-5,910.38-1,167.15

Finding the Fourth Proportional to 3,940.26, 5,910.38 and 1,167.15

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Solution

The fourth proportional to 3,940.26, 5,910.38 and 1,167.15 is: 1,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.26 : 5,910.38 = 1,167.15 : x
  2. Step 2: Convert to fraction form
    3,940.26/5,910.38 = 1,167.15/x
  3. Step 3: Cross multiply
    3,940.26x = 5,910.38 × 1,167.15
  4. Step 4: Simplify right side
    3,940.26x = 6,898,316.75
  5. Step 5: Solve for x
    x = 6,898,316.75/3,940.26
  6. Step 6: Final answer
    x = 1,750.72

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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.