Home / 3,805.41-5,249.65-2,388.39

Finding the Fourth Proportional to 3,805.41, 5,249.65 and 2,388.39

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Solution

The fourth proportional to 3,805.41, 5,249.65 and 2,388.39 is: 3,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.41 : 5,249.65 = 2,388.39 : x
  2. Step 2: Convert to fraction form
    3,805.41/5,249.65 = 2,388.39/x
  3. Step 3: Cross multiply
    3,805.41x = 5,249.65 × 2,388.39
  4. Step 4: Simplify right side
    3,805.41x = 12,538,211.56
  5. Step 5: Solve for x
    x = 12,538,211.56/3,805.41
  6. Step 6: Final answer
    x = 3,294.84

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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.