Home / 3,767.95-5,198.71-2,195.74

Finding the Fourth Proportional to 3,767.95, 5,198.71 and 2,195.74

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Solution

The fourth proportional to 3,767.95, 5,198.71 and 2,195.74 is: 3,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.95 : 5,198.71 = 2,195.74 : x
  2. Step 2: Convert to fraction form
    3,767.95/5,198.71 = 2,195.74/x
  3. Step 3: Cross multiply
    3,767.95x = 5,198.71 × 2,195.74
  4. Step 4: Simplify right side
    3,767.95x = 11,414,997.01
  5. Step 5: Solve for x
    x = 11,414,997.01/3,767.95
  6. Step 6: Final answer
    x = 3,029.50

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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.