Home / 3,049.50-4,208.92-1,723.22

Finding the Fourth Proportional to 3,049.50, 4,208.92 and 1,723.22

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Solution

The fourth proportional to 3,049.50, 4,208.92 and 1,723.22 is: 2,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.50 : 4,208.92 = 1,723.22 : x
  2. Step 2: Convert to fraction form
    3,049.50/4,208.92 = 1,723.22/x
  3. Step 3: Cross multiply
    3,049.50x = 4,208.92 × 1,723.22
  4. Step 4: Simplify right side
    3,049.50x = 7,252,895.12
  5. Step 5: Solve for x
    x = 7,252,895.12/3,049.50
  6. Step 6: Final answer
    x = 2,378.39

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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.