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Finding the Fourth Proportional to 2,650.82, 3,649.79 and 2,251.62

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Solution

The fourth proportional to 2,650.82, 3,649.79 and 2,251.62 is: 3,100.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.82 : 3,649.79 = 2,251.62 : x
  2. Step 2: Convert to fraction form
    2,650.82/3,649.79 = 2,251.62/x
  3. Step 3: Cross multiply
    2,650.82x = 3,649.79 × 2,251.62
  4. Step 4: Simplify right side
    2,650.82x = 8,217,945.79
  5. Step 5: Solve for x
    x = 8,217,945.79/2,650.82
  6. Step 6: Final answer
    x = 3,100.16

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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.