Home / 3,831.30-5,743.36-1,492.83

Finding the Fourth Proportional to 3,831.30, 5,743.36 and 1,492.83

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Solution

The fourth proportional to 3,831.30, 5,743.36 and 1,492.83 is: 2,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.30 : 5,743.36 = 1,492.83 : x
  2. Step 2: Convert to fraction form
    3,831.30/5,743.36 = 1,492.83/x
  3. Step 3: Cross multiply
    3,831.30x = 5,743.36 × 1,492.83
  4. Step 4: Simplify right side
    3,831.30x = 8,573,860.11
  5. Step 5: Solve for x
    x = 8,573,860.11/3,831.30
  6. Step 6: Final answer
    x = 2,237.85

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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.