Home / 3,885.45-5,831.97-2,776.11

Finding the Fourth Proportional to 3,885.45, 5,831.97 and 2,776.11

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Solution

The fourth proportional to 3,885.45, 5,831.97 and 2,776.11 is: 4,166.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.45 : 5,831.97 = 2,776.11 : x
  2. Step 2: Convert to fraction form
    3,885.45/5,831.97 = 2,776.11/x
  3. Step 3: Cross multiply
    3,885.45x = 5,831.97 × 2,776.11
  4. Step 4: Simplify right side
    3,885.45x = 16,190,190.24
  5. Step 5: Solve for x
    x = 16,190,190.24/3,885.45
  6. Step 6: Final answer
    x = 4,166.88

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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.