Home / 2,979.73-4,463.92-1,810.09

Finding the Fourth Proportional to 2,979.73, 4,463.92 and 1,810.09

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Solution

The fourth proportional to 2,979.73, 4,463.92 and 1,810.09 is: 2,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.73 : 4,463.92 = 1,810.09 : x
  2. Step 2: Convert to fraction form
    2,979.73/4,463.92 = 1,810.09/x
  3. Step 3: Cross multiply
    2,979.73x = 4,463.92 × 1,810.09
  4. Step 4: Simplify right side
    2,979.73x = 8,080,096.95
  5. Step 5: Solve for x
    x = 8,080,096.95/2,979.73
  6. Step 6: Final answer
    x = 2,711.69

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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.