Home / 2,199.81-3,306.17-1,831.97

Finding the Fourth Proportional to 2,199.81, 3,306.17 and 1,831.97

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Solution

The fourth proportional to 2,199.81, 3,306.17 and 1,831.97 is: 2,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.81 : 3,306.17 = 1,831.97 : x
  2. Step 2: Convert to fraction form
    2,199.81/3,306.17 = 1,831.97/x
  3. Step 3: Cross multiply
    2,199.81x = 3,306.17 × 1,831.97
  4. Step 4: Simplify right side
    2,199.81x = 6,056,788.20
  5. Step 5: Solve for x
    x = 6,056,788.20/2,199.81
  6. Step 6: Final answer
    x = 2,753.33

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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.