Home / 3,042.10-4,198.09-1,644.85

Finding the Fourth Proportional to 3,042.10, 4,198.09 and 1,644.85

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Solution

The fourth proportional to 3,042.10, 4,198.09 and 1,644.85 is: 2,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.10 : 4,198.09 = 1,644.85 : x
  2. Step 2: Convert to fraction form
    3,042.10/4,198.09 = 1,644.85/x
  3. Step 3: Cross multiply
    3,042.10x = 4,198.09 × 1,644.85
  4. Step 4: Simplify right side
    3,042.10x = 6,905,213.73
  5. Step 5: Solve for x
    x = 6,905,213.73/3,042.10
  6. Step 6: Final answer
    x = 2,269.89

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1.5x scale

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.