Home / 3,976.34-5,487.46-2,207.98

Finding the Fourth Proportional to 3,976.34, 5,487.46 and 2,207.98

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Solution

The fourth proportional to 3,976.34, 5,487.46 and 2,207.98 is: 3,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.34 : 5,487.46 = 2,207.98 : x
  2. Step 2: Convert to fraction form
    3,976.34/5,487.46 = 2,207.98/x
  3. Step 3: Cross multiply
    3,976.34x = 5,487.46 × 2,207.98
  4. Step 4: Simplify right side
    3,976.34x = 12,116,201.93
  5. Step 5: Solve for x
    x = 12,116,201.93/3,976.34
  6. Step 6: Final answer
    x = 3,047.07

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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.