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Finding the Fourth Proportional to 3,422.02, 5,133.03 and 1,960.15

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Solution

The fourth proportional to 3,422.02, 5,133.03 and 1,960.15 is: 2,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.02 : 5,133.03 = 1,960.15 : x
  2. Step 2: Convert to fraction form
    3,422.02/5,133.03 = 1,960.15/x
  3. Step 3: Cross multiply
    3,422.02x = 5,133.03 × 1,960.15
  4. Step 4: Simplify right side
    3,422.02x = 10,061,473.29
  5. Step 5: Solve for x
    x = 10,061,473.29/3,422.02
  6. Step 6: Final answer
    x = 2,940.22

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Similar ratio
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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.