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Finding the Fourth Proportional to 3,969.70, 5,940.51 and 2,927.23

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Solution

The fourth proportional to 3,969.70, 5,940.51 and 2,927.23 is: 4,380.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.70 : 5,940.51 = 2,927.23 : x
  2. Step 2: Convert to fraction form
    3,969.70/5,940.51 = 2,927.23/x
  3. Step 3: Cross multiply
    3,969.70x = 5,940.51 × 2,927.23
  4. Step 4: Simplify right side
    3,969.70x = 17,389,239.09
  5. Step 5: Solve for x
    x = 17,389,239.09/3,969.70
  6. Step 6: Final answer
    x = 4,380.49

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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.