Home / 3,517.72-5,274.62-1,439.18

Finding the Fourth Proportional to 3,517.72, 5,274.62 and 1,439.18

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Solution

The fourth proportional to 3,517.72, 5,274.62 and 1,439.18 is: 2,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.72 : 5,274.62 = 1,439.18 : x
  2. Step 2: Convert to fraction form
    3,517.72/5,274.62 = 1,439.18/x
  3. Step 3: Cross multiply
    3,517.72x = 5,274.62 × 1,439.18
  4. Step 4: Simplify right side
    3,517.72x = 7,591,127.31
  5. Step 5: Solve for x
    x = 7,591,127.31/3,517.72
  6. Step 6: Final answer
    x = 2,157.97

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1.5x scale

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.