Home / 4,161.05-5,736.78-3,205.04

Finding the Fourth Proportional to 4,161.05, 5,736.78 and 3,205.04

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Solution

The fourth proportional to 4,161.05, 5,736.78 and 3,205.04 is: 4,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.05 : 5,736.78 = 3,205.04 : x
  2. Step 2: Convert to fraction form
    4,161.05/5,736.78 = 3,205.04/x
  3. Step 3: Cross multiply
    4,161.05x = 5,736.78 × 3,205.04
  4. Step 4: Simplify right side
    4,161.05x = 18,386,580.69
  5. Step 5: Solve for x
    x = 18,386,580.69/4,161.05
  6. Step 6: Final answer
    x = 4,418.74

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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.