Home / 2,179.73-3,006.65-1,294.88

Finding the Fourth Proportional to 2,179.73, 3,006.65 and 1,294.88

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Solution

The fourth proportional to 2,179.73, 3,006.65 and 1,294.88 is: 1,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.73 : 3,006.65 = 1,294.88 : x
  2. Step 2: Convert to fraction form
    2,179.73/3,006.65 = 1,294.88/x
  3. Step 3: Cross multiply
    2,179.73x = 3,006.65 × 1,294.88
  4. Step 4: Simplify right side
    2,179.73x = 3,893,239.16
  5. Step 5: Solve for x
    x = 3,893,239.16/2,179.73
  6. Step 6: Final answer
    x = 1,786.11

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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.