Home / 3,976.46-5,487.45-2,208.03

Finding the Fourth Proportional to 3,976.46, 5,487.45 and 2,208.03

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Solution

The fourth proportional to 3,976.46, 5,487.45 and 2,208.03 is: 3,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.46 : 5,487.45 = 2,208.03 : x
  2. Step 2: Convert to fraction form
    3,976.46/5,487.45 = 2,208.03/x
  3. Step 3: Cross multiply
    3,976.46x = 5,487.45 × 2,208.03
  4. Step 4: Simplify right side
    3,976.46x = 12,116,425.37
  5. Step 5: Solve for x
    x = 12,116,425.37/3,976.46
  6. Step 6: Final answer
    x = 3,047.04

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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.