Home / 2,079.69-3,123.24-1,996.07

Finding the Fourth Proportional to 2,079.69, 3,123.24 and 1,996.07

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Solution

The fourth proportional to 2,079.69, 3,123.24 and 1,996.07 is: 2,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.69 : 3,123.24 = 1,996.07 : x
  2. Step 2: Convert to fraction form
    2,079.69/3,123.24 = 1,996.07/x
  3. Step 3: Cross multiply
    2,079.69x = 3,123.24 × 1,996.07
  4. Step 4: Simplify right side
    2,079.69x = 6,234,190.05
  5. Step 5: Solve for x
    x = 6,234,190.05/2,079.69
  6. Step 6: Final answer
    x = 2,997.65

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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.