Home / 3,049.40-4,208.09-1,723.38

Finding the Fourth Proportional to 3,049.40, 4,208.09 and 1,723.38

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Solution

The fourth proportional to 3,049.40, 4,208.09 and 1,723.38 is: 2,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.40 : 4,208.09 = 1,723.38 : x
  2. Step 2: Convert to fraction form
    3,049.40/4,208.09 = 1,723.38/x
  3. Step 3: Cross multiply
    3,049.40x = 4,208.09 × 1,723.38
  4. Step 4: Simplify right side
    3,049.40x = 7,252,129.53
  5. Step 5: Solve for x
    x = 7,252,129.53/3,049.40
  6. Step 6: Final answer
    x = 2,378.22

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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.