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Finding the Fourth Proportional to 2,179.73, 3,265.22 and 1,008.09

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Solution

The fourth proportional to 2,179.73, 3,265.22 and 1,008.09 is: 1,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.73 : 3,265.22 = 1,008.09 : x
  2. Step 2: Convert to fraction form
    2,179.73/3,265.22 = 1,008.09/x
  3. Step 3: Cross multiply
    2,179.73x = 3,265.22 × 1,008.09
  4. Step 4: Simplify right side
    2,179.73x = 3,291,633.11
  5. Step 5: Solve for x
    x = 3,291,633.11/2,179.73
  6. Step 6: Final answer
    x = 1,510.11

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1.5x scale

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.