Home / 1,831.73-2,529.25-1,691.80

Finding the Fourth Proportional to 1,831.73, 2,529.25 and 1,691.80

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Solution

The fourth proportional to 1,831.73, 2,529.25 and 1,691.80 is: 2,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.73 : 2,529.25 = 1,691.80 : x
  2. Step 2: Convert to fraction form
    1,831.73/2,529.25 = 1,691.80/x
  3. Step 3: Cross multiply
    1,831.73x = 2,529.25 × 1,691.80
  4. Step 4: Simplify right side
    1,831.73x = 4,278,993.58
  5. Step 5: Solve for x
    x = 4,278,993.58/1,831.73
  6. Step 6: Final answer
    x = 2,336.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.