Home / 3,790.05-5,684.97-2,240.79

Finding the Fourth Proportional to 3,790.05, 5,684.97 and 2,240.79

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Solution

The fourth proportional to 3,790.05, 5,684.97 and 2,240.79 is: 3,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.05 : 5,684.97 = 2,240.79 : x
  2. Step 2: Convert to fraction form
    3,790.05/5,684.97 = 2,240.79/x
  3. Step 3: Cross multiply
    3,790.05x = 5,684.97 × 2,240.79
  4. Step 4: Simplify right side
    3,790.05x = 12,738,823.93
  5. Step 5: Solve for x
    x = 12,738,823.93/3,790.05
  6. Step 6: Final answer
    x = 3,361.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.