Home / 3,015.62-4,523.39-824.37

Finding the Fourth Proportional to 3,015.62, 4,523.39 and 824.37

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Solution

The fourth proportional to 3,015.62, 4,523.39 and 824.37 is: 1,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.62 : 4,523.39 = 824.37 : x
  2. Step 2: Convert to fraction form
    3,015.62/4,523.39 = 824.37/x
  3. Step 3: Cross multiply
    3,015.62x = 4,523.39 × 824.37
  4. Step 4: Simplify right side
    3,015.62x = 3,728,947.01
  5. Step 5: Solve for x
    x = 3,728,947.01/3,015.62
  6. Step 6: Final answer
    x = 1,236.54

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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.