Home / 3,524.27-5,286.71-927.20

Finding the Fourth Proportional to 3,524.27, 5,286.71 and 927.20

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Solution

The fourth proportional to 3,524.27, 5,286.71 and 927.20 is: 1,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,524.27 : 5,286.71 = 927.20 : x
  2. Step 2: Convert to fraction form
    3,524.27/5,286.71 = 927.20/x
  3. Step 3: Cross multiply
    3,524.27x = 5,286.71 × 927.20
  4. Step 4: Simplify right side
    3,524.27x = 4,901,837.51
  5. Step 5: Solve for x
    x = 4,901,837.51/3,524.27
  6. Step 6: Final answer
    x = 1,390.88

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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.