Home / 3,076.78-4,249.49-2,241.22

Finding the Fourth Proportional to 3,076.78, 4,249.49 and 2,241.22

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Solution

The fourth proportional to 3,076.78, 4,249.49 and 2,241.22 is: 3,095.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.78 : 4,249.49 = 2,241.22 : x
  2. Step 2: Convert to fraction form
    3,076.78/4,249.49 = 2,241.22/x
  3. Step 3: Cross multiply
    3,076.78x = 4,249.49 × 2,241.22
  4. Step 4: Simplify right side
    3,076.78x = 9,524,041.98
  5. Step 5: Solve for x
    x = 9,524,041.98/3,076.78
  6. Step 6: Final answer
    x = 3,095.46

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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.