Home / 3,831.30-5,748.30-1,882.20

Finding the Fourth Proportional to 3,831.30, 5,748.30 and 1,882.20

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Solution

The fourth proportional to 3,831.30, 5,748.30 and 1,882.20 is: 2,823.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.30 : 5,748.30 = 1,882.20 : x
  2. Step 2: Convert to fraction form
    3,831.30/5,748.30 = 1,882.20/x
  3. Step 3: Cross multiply
    3,831.30x = 5,748.30 × 1,882.20
  4. Step 4: Simplify right side
    3,831.30x = 10,819,450.26
  5. Step 5: Solve for x
    x = 10,819,450.26/3,831.30
  6. Step 6: Final answer
    x = 2,823.96

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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.