Home / 3,480.27-5,216.09-1,628.97

Finding the Fourth Proportional to 3,480.27, 5,216.09 and 1,628.97

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Solution

The fourth proportional to 3,480.27, 5,216.09 and 1,628.97 is: 2,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.27 : 5,216.09 = 1,628.97 : x
  2. Step 2: Convert to fraction form
    3,480.27/5,216.09 = 1,628.97/x
  3. Step 3: Cross multiply
    3,480.27x = 5,216.09 × 1,628.97
  4. Step 4: Simplify right side
    3,480.27x = 8,496,845.98
  5. Step 5: Solve for x
    x = 8,496,845.98/3,480.27
  6. Step 6: Final answer
    x = 2,441.43

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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.