Home / 3,249.45-4,487.31-2,591.15

Finding the Fourth Proportional to 3,249.45, 4,487.31 and 2,591.15

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Solution

The fourth proportional to 3,249.45, 4,487.31 and 2,591.15 is: 3,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.45 : 4,487.31 = 2,591.15 : x
  2. Step 2: Convert to fraction form
    3,249.45/4,487.31 = 2,591.15/x
  3. Step 3: Cross multiply
    3,249.45x = 4,487.31 × 2,591.15
  4. Step 4: Simplify right side
    3,249.45x = 11,627,270.87
  5. Step 5: Solve for x
    x = 11,627,270.87/3,249.45
  6. Step 6: Final answer
    x = 3,578.23

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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.