Home / 3,524.45-5,286.40-927.32

Finding the Fourth Proportional to 3,524.45, 5,286.40 and 927.32

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Solution

The fourth proportional to 3,524.45, 5,286.40 and 927.32 is: 1,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,524.45 : 5,286.40 = 927.32 : x
  2. Step 2: Convert to fraction form
    3,524.45/5,286.40 = 927.32/x
  3. Step 3: Cross multiply
    3,524.45x = 5,286.40 × 927.32
  4. Step 4: Simplify right side
    3,524.45x = 4,902,184.45
  5. Step 5: Solve for x
    x = 4,902,184.45/3,524.45
  6. Step 6: Final answer
    x = 1,390.91

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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.