Home / 3,194.78-4,408.88-1,936.05

Finding the Fourth Proportional to 3,194.78, 4,408.88 and 1,936.05

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Solution

The fourth proportional to 3,194.78, 4,408.88 and 1,936.05 is: 2,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.78 : 4,408.88 = 1,936.05 : x
  2. Step 2: Convert to fraction form
    3,194.78/4,408.88 = 1,936.05/x
  3. Step 3: Cross multiply
    3,194.78x = 4,408.88 × 1,936.05
  4. Step 4: Simplify right side
    3,194.78x = 8,535,802.44
  5. Step 5: Solve for x
    x = 8,535,802.44/3,194.78
  6. Step 6: Final answer
    x = 2,671.80

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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.