Home / 2,933.57-4,049.43-1,940.20

Finding the Fourth Proportional to 2,933.57, 4,049.43 and 1,940.20

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Solution

The fourth proportional to 2,933.57, 4,049.43 and 1,940.20 is: 2,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.57 : 4,049.43 = 1,940.20 : x
  2. Step 2: Convert to fraction form
    2,933.57/4,049.43 = 1,940.20/x
  3. Step 3: Cross multiply
    2,933.57x = 4,049.43 × 1,940.20
  4. Step 4: Simplify right side
    2,933.57x = 7,856,704.09
  5. Step 5: Solve for x
    x = 7,856,704.09/2,933.57
  6. Step 6: Final answer
    x = 2,678.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.