Home / 3,001.94-4,144.55-1,940.25

Finding the Fourth Proportional to 3,001.94, 4,144.55 and 1,940.25

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Solution

The fourth proportional to 3,001.94, 4,144.55 and 1,940.25 is: 2,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.94 : 4,144.55 = 1,940.25 : x
  2. Step 2: Convert to fraction form
    3,001.94/4,144.55 = 1,940.25/x
  3. Step 3: Cross multiply
    3,001.94x = 4,144.55 × 1,940.25
  4. Step 4: Simplify right side
    3,001.94x = 8,041,453.44
  5. Step 5: Solve for x
    x = 8,041,453.44/3,001.94
  6. Step 6: Final answer
    x = 2,678.76

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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.