Home / 3,109.38-4,664.13-1,722.52

Finding the Fourth Proportional to 3,109.38, 4,664.13 and 1,722.52

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Solution

The fourth proportional to 3,109.38, 4,664.13 and 1,722.52 is: 2,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.38 : 4,664.13 = 1,722.52 : x
  2. Step 2: Convert to fraction form
    3,109.38/4,664.13 = 1,722.52/x
  3. Step 3: Cross multiply
    3,109.38x = 4,664.13 × 1,722.52
  4. Step 4: Simplify right side
    3,109.38x = 8,034,057.21
  5. Step 5: Solve for x
    x = 8,034,057.21/3,109.38
  6. Step 6: Final answer
    x = 2,583.81

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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.