Home / 2,213.46-3,318.21-1,627.02

Finding the Fourth Proportional to 2,213.46, 3,318.21 and 1,627.02

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Solution

The fourth proportional to 2,213.46, 3,318.21 and 1,627.02 is: 2,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.46 : 3,318.21 = 1,627.02 : x
  2. Step 2: Convert to fraction form
    2,213.46/3,318.21 = 1,627.02/x
  3. Step 3: Cross multiply
    2,213.46x = 3,318.21 × 1,627.02
  4. Step 4: Simplify right side
    2,213.46x = 5,398,794.03
  5. Step 5: Solve for x
    x = 5,398,794.03/2,213.46
  6. Step 6: Final answer
    x = 2,439.07

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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.