Home / 3,976.49-5,487.73-2,208.09

Finding the Fourth Proportional to 3,976.49, 5,487.73 and 2,208.09

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Solution

The fourth proportional to 3,976.49, 5,487.73 and 2,208.09 is: 3,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.49 : 5,487.73 = 2,208.09 : x
  2. Step 2: Convert to fraction form
    3,976.49/5,487.73 = 2,208.09/x
  3. Step 3: Cross multiply
    3,976.49x = 5,487.73 × 2,208.09
  4. Step 4: Simplify right side
    3,976.49x = 12,117,412.65
  5. Step 5: Solve for x
    x = 12,117,412.65/3,976.49
  6. Step 6: Final answer
    x = 3,047.26

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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.