Home / 3,049.80-4,208.66-1,723.92

Finding the Fourth Proportional to 3,049.80, 4,208.66 and 1,723.92

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Solution

The fourth proportional to 3,049.80, 4,208.66 and 1,723.92 is: 2,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.80 : 4,208.66 = 1,723.92 : x
  2. Step 2: Convert to fraction form
    3,049.80/4,208.66 = 1,723.92/x
  3. Step 3: Cross multiply
    3,049.80x = 4,208.66 × 1,723.92
  4. Step 4: Simplify right side
    3,049.80x = 7,255,393.15
  5. Step 5: Solve for x
    x = 7,255,393.15/3,049.80
  6. Step 6: Final answer
    x = 2,378.97

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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.