Home / 3,941.97-5,439.81-2,173.54

Finding the Fourth Proportional to 3,941.97, 5,439.81 and 2,173.54

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Solution

The fourth proportional to 3,941.97, 5,439.81 and 2,173.54 is: 2,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.97 : 5,439.81 = 2,173.54 : x
  2. Step 2: Convert to fraction form
    3,941.97/5,439.81 = 2,173.54/x
  3. Step 3: Cross multiply
    3,941.97x = 5,439.81 × 2,173.54
  4. Step 4: Simplify right side
    3,941.97x = 11,823,644.63
  5. Step 5: Solve for x
    x = 11,823,644.63/3,941.97
  6. Step 6: Final answer
    x = 2,999.43

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1.5x scale

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.