Home / 3,218.46-4,440.45-1,892.62

Finding the Fourth Proportional to 3,218.46, 4,440.45 and 1,892.62

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Solution

The fourth proportional to 3,218.46, 4,440.45 and 1,892.62 is: 2,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.46 : 4,440.45 = 1,892.62 : x
  2. Step 2: Convert to fraction form
    3,218.46/4,440.45 = 1,892.62/x
  3. Step 3: Cross multiply
    3,218.46x = 4,440.45 × 1,892.62
  4. Step 4: Simplify right side
    3,218.46x = 8,404,084.48
  5. Step 5: Solve for x
    x = 8,404,084.48/3,218.46
  6. Step 6: Final answer
    x = 2,611.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.