Home / 3,831.81-5,751.77-1,885.38

Finding the Fourth Proportional to 3,831.81, 5,751.77 and 1,885.38

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Solution

The fourth proportional to 3,831.81, 5,751.77 and 1,885.38 is: 2,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.81 : 5,751.77 = 1,885.38 : x
  2. Step 2: Convert to fraction form
    3,831.81/5,751.77 = 1,885.38/x
  3. Step 3: Cross multiply
    3,831.81x = 5,751.77 × 1,885.38
  4. Step 4: Simplify right side
    3,831.81x = 10,844,262.70
  5. Step 5: Solve for x
    x = 10,844,262.70/3,831.81
  6. Step 6: Final answer
    x = 2,830.06

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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.