Home / 3,763.61-5,194.94-2,171.33

Finding the Fourth Proportional to 3,763.61, 5,194.94 and 2,171.33

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Solution

The fourth proportional to 3,763.61, 5,194.94 and 2,171.33 is: 2,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.61 : 5,194.94 = 2,171.33 : x
  2. Step 2: Convert to fraction form
    3,763.61/5,194.94 = 2,171.33/x
  3. Step 3: Cross multiply
    3,763.61x = 5,194.94 × 2,171.33
  4. Step 4: Simplify right side
    3,763.61x = 11,279,929.07
  5. Step 5: Solve for x
    x = 11,279,929.07/3,763.61
  6. Step 6: Final answer
    x = 2,997.10

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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.