Home / 3,249.21-4,480.90-2,438.42

Finding the Fourth Proportional to 3,249.21, 4,480.90 and 2,438.42

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Solution

The fourth proportional to 3,249.21, 4,480.90 and 2,438.42 is: 3,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.21 : 4,480.90 = 2,438.42 : x
  2. Step 2: Convert to fraction form
    3,249.21/4,480.90 = 2,438.42/x
  3. Step 3: Cross multiply
    3,249.21x = 4,480.90 × 2,438.42
  4. Step 4: Simplify right side
    3,249.21x = 10,926,293.77
  5. Step 5: Solve for x
    x = 10,926,293.77/3,249.21
  6. Step 6: Final answer
    x = 3,362.75

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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.