Home / 3,096.90-4,640.49-1,631.61

Finding the Fourth Proportional to 3,096.90, 4,640.49 and 1,631.61

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Solution

The fourth proportional to 3,096.90, 4,640.49 and 1,631.61 is: 2,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.90 : 4,640.49 = 1,631.61 : x
  2. Step 2: Convert to fraction form
    3,096.90/4,640.49 = 1,631.61/x
  3. Step 3: Cross multiply
    3,096.90x = 4,640.49 × 1,631.61
  4. Step 4: Simplify right side
    3,096.90x = 7,571,469.89
  5. Step 5: Solve for x
    x = 7,571,469.89/3,096.90
  6. Step 6: Final answer
    x = 2,444.85

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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.