Home / 3,228.57-4,843.53-1,379.79

Finding the Fourth Proportional to 3,228.57, 4,843.53 and 1,379.79

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Solution

The fourth proportional to 3,228.57, 4,843.53 and 1,379.79 is: 2,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.57 : 4,843.53 = 1,379.79 : x
  2. Step 2: Convert to fraction form
    3,228.57/4,843.53 = 1,379.79/x
  3. Step 3: Cross multiply
    3,228.57x = 4,843.53 × 1,379.79
  4. Step 4: Simplify right side
    3,228.57x = 6,683,054.26
  5. Step 5: Solve for x
    x = 6,683,054.26/3,228.57
  6. Step 6: Final answer
    x = 2,069.97

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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.