Home / 3,192.91-4,782.48-1,728.97

Finding the Fourth Proportional to 3,192.91, 4,782.48 and 1,728.97

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Solution

The fourth proportional to 3,192.91, 4,782.48 and 1,728.97 is: 2,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.91 : 4,782.48 = 1,728.97 : x
  2. Step 2: Convert to fraction form
    3,192.91/4,782.48 = 1,728.97/x
  3. Step 3: Cross multiply
    3,192.91x = 4,782.48 × 1,728.97
  4. Step 4: Simplify right side
    3,192.91x = 8,268,764.45
  5. Step 5: Solve for x
    x = 8,268,764.45/3,192.91
  6. Step 6: Final answer
    x = 2,589.73

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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.