Home / 3,289.56-4,924.62-2,190.12

Finding the Fourth Proportional to 3,289.56, 4,924.62 and 2,190.12

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Solution

The fourth proportional to 3,289.56, 4,924.62 and 2,190.12 is: 3,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.56 : 4,924.62 = 2,190.12 : x
  2. Step 2: Convert to fraction form
    3,289.56/4,924.62 = 2,190.12/x
  3. Step 3: Cross multiply
    3,289.56x = 4,924.62 × 2,190.12
  4. Step 4: Simplify right side
    3,289.56x = 10,785,508.75
  5. Step 5: Solve for x
    x = 10,785,508.75/3,289.56
  6. Step 6: Final answer
    x = 3,278.71

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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.