Home / 3,166.72-4,370.16-1,769.44

Finding the Fourth Proportional to 3,166.72, 4,370.16 and 1,769.44

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Solution

The fourth proportional to 3,166.72, 4,370.16 and 1,769.44 is: 2,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.72 : 4,370.16 = 1,769.44 : x
  2. Step 2: Convert to fraction form
    3,166.72/4,370.16 = 1,769.44/x
  3. Step 3: Cross multiply
    3,166.72x = 4,370.16 × 1,769.44
  4. Step 4: Simplify right side
    3,166.72x = 7,732,735.91
  5. Step 5: Solve for x
    x = 7,732,735.91/3,166.72
  6. Step 6: Final answer
    x = 2,441.88

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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.