Home / 3,867.41-5,335.80-2,273.55

Finding the Fourth Proportional to 3,867.41, 5,335.80 and 2,273.55

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Solution

The fourth proportional to 3,867.41, 5,335.80 and 2,273.55 is: 3,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.41 : 5,335.80 = 2,273.55 : x
  2. Step 2: Convert to fraction form
    3,867.41/5,335.80 = 2,273.55/x
  3. Step 3: Cross multiply
    3,867.41x = 5,335.80 × 2,273.55
  4. Step 4: Simplify right side
    3,867.41x = 12,131,192.34
  5. Step 5: Solve for x
    x = 12,131,192.34/3,867.41
  6. Step 6: Final answer
    x = 3,136.78

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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.