Home / 3,960.14-5,940.23-2,207.81

Finding the Fourth Proportional to 3,960.14, 5,940.23 and 2,207.81

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Solution

The fourth proportional to 3,960.14, 5,940.23 and 2,207.81 is: 3,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.14 : 5,940.23 = 2,207.81 : x
  2. Step 2: Convert to fraction form
    3,960.14/5,940.23 = 2,207.81/x
  3. Step 3: Cross multiply
    3,960.14x = 5,940.23 × 2,207.81
  4. Step 4: Simplify right side
    3,960.14x = 13,114,899.20
  5. Step 5: Solve for x
    x = 13,114,899.20/3,960.14
  6. Step 6: Final answer
    x = 3,311.73

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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.