Home / 2,204.31-3,307.21-1,381.62

Finding the Fourth Proportional to 2,204.31, 3,307.21 and 1,381.62

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Solution

The fourth proportional to 2,204.31, 3,307.21 and 1,381.62 is: 2,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.31 : 3,307.21 = 1,381.62 : x
  2. Step 2: Convert to fraction form
    2,204.31/3,307.21 = 1,381.62/x
  3. Step 3: Cross multiply
    2,204.31x = 3,307.21 × 1,381.62
  4. Step 4: Simplify right side
    2,204.31x = 4,569,304.03
  5. Step 5: Solve for x
    x = 4,569,304.03/2,204.31
  6. Step 6: Final answer
    x = 2,072.90

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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.