Home / 3,960.43-5,940.61-2,208.06

Finding the Fourth Proportional to 3,960.43, 5,940.61 and 2,208.06

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Solution

The fourth proportional to 3,960.43, 5,940.61 and 2,208.06 is: 3,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.43 : 5,940.61 = 2,208.06 : x
  2. Step 2: Convert to fraction form
    3,960.43/5,940.61 = 2,208.06/x
  3. Step 3: Cross multiply
    3,960.43x = 5,940.61 × 2,208.06
  4. Step 4: Simplify right side
    3,960.43x = 13,117,217.80
  5. Step 5: Solve for x
    x = 13,117,217.80/3,960.43
  6. Step 6: Final answer
    x = 3,312.07

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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.