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Finding the Fourth Proportional to 3,956.63, 5,934.38 and 1,324.22

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Solution

The fourth proportional to 3,956.63, 5,934.38 and 1,324.22 is: 1,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.63 : 5,934.38 = 1,324.22 : x
  2. Step 2: Convert to fraction form
    3,956.63/5,934.38 = 1,324.22/x
  3. Step 3: Cross multiply
    3,956.63x = 5,934.38 × 1,324.22
  4. Step 4: Simplify right side
    3,956.63x = 7,858,388.39
  5. Step 5: Solve for x
    x = 7,858,388.39/3,956.63
  6. Step 6: Final answer
    x = 1,986.13

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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.