Home / 3,328.33-4,990.62-1,105.97

Finding the Fourth Proportional to 3,328.33, 4,990.62 and 1,105.97

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Solution

The fourth proportional to 3,328.33, 4,990.62 and 1,105.97 is: 1,658.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.33 : 4,990.62 = 1,105.97 : x
  2. Step 2: Convert to fraction form
    3,328.33/4,990.62 = 1,105.97/x
  3. Step 3: Cross multiply
    3,328.33x = 4,990.62 × 1,105.97
  4. Step 4: Simplify right side
    3,328.33x = 5,519,470.47
  5. Step 5: Solve for x
    x = 5,519,470.47/3,328.33
  6. Step 6: Final answer
    x = 1,658.33

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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.