Home / 2,179.71-3,270.58-1,010.65

Finding the Fourth Proportional to 2,179.71, 3,270.58 and 1,010.65

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Solution

The fourth proportional to 2,179.71, 3,270.58 and 1,010.65 is: 1,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.71 : 3,270.58 = 1,010.65 : x
  2. Step 2: Convert to fraction form
    2,179.71/3,270.58 = 1,010.65/x
  3. Step 3: Cross multiply
    2,179.71x = 3,270.58 × 1,010.65
  4. Step 4: Simplify right side
    2,179.71x = 3,305,416.30
  5. Step 5: Solve for x
    x = 3,305,416.30/2,179.71
  6. Step 6: Final answer
    x = 1,516.45

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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.