Home / 2,936.94-4,053.18-1,940.49

Finding the Fourth Proportional to 2,936.94, 4,053.18 and 1,940.49

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Solution

The fourth proportional to 2,936.94, 4,053.18 and 1,940.49 is: 2,678.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.94 : 4,053.18 = 1,940.49 : x
  2. Step 2: Convert to fraction form
    2,936.94/4,053.18 = 1,940.49/x
  3. Step 3: Cross multiply
    2,936.94x = 4,053.18 × 1,940.49
  4. Step 4: Simplify right side
    2,936.94x = 7,865,155.26
  5. Step 5: Solve for x
    x = 7,865,155.26/2,936.94
  6. Step 6: Final answer
    x = 2,678.01

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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.