Home / 3,940.14-5,911.08-1,167.03

Finding the Fourth Proportional to 3,940.14, 5,911.08 and 1,167.03

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Solution

The fourth proportional to 3,940.14, 5,911.08 and 1,167.03 is: 1,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.14 : 5,911.08 = 1,167.03 : x
  2. Step 2: Convert to fraction form
    3,940.14/5,911.08 = 1,167.03/x
  3. Step 3: Cross multiply
    3,940.14x = 5,911.08 × 1,167.03
  4. Step 4: Simplify right side
    3,940.14x = 6,898,403.32
  5. Step 5: Solve for x
    x = 6,898,403.32/3,940.14
  6. Step 6: Final answer
    x = 1,750.80

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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.