Home / 3,376.81-5,067.05-1,645.43

Finding the Fourth Proportional to 3,376.81, 5,067.05 and 1,645.43

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Solution

The fourth proportional to 3,376.81, 5,067.05 and 1,645.43 is: 2,469.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.81 : 5,067.05 = 1,645.43 : x
  2. Step 2: Convert to fraction form
    3,376.81/5,067.05 = 1,645.43/x
  3. Step 3: Cross multiply
    3,376.81x = 5,067.05 × 1,645.43
  4. Step 4: Simplify right side
    3,376.81x = 8,337,480.52
  5. Step 5: Solve for x
    x = 8,337,480.52/3,376.81
  6. Step 6: Final answer
    x = 2,469.04

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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.