Home / 3,422.27-5,133.40-1,960.40

Finding the Fourth Proportional to 3,422.27, 5,133.40 and 1,960.40

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Solution

The fourth proportional to 3,422.27, 5,133.40 and 1,960.40 is: 2,940.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.27 : 5,133.40 = 1,960.40 : x
  2. Step 2: Convert to fraction form
    3,422.27/5,133.40 = 1,960.40/x
  3. Step 3: Cross multiply
    3,422.27x = 5,133.40 × 1,960.40
  4. Step 4: Simplify right side
    3,422.27x = 10,063,486.79
  5. Step 5: Solve for x
    x = 10,063,486.79/3,422.27
  6. Step 6: Final answer
    x = 2,940.59

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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.