Home / 3,892.05-5,831.19-2,040.39

Finding the Fourth Proportional to 3,892.05, 5,831.19 and 2,040.39

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Solution

The fourth proportional to 3,892.05, 5,831.19 and 2,040.39 is: 3,056.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.05 : 5,831.19 = 2,040.39 : x
  2. Step 2: Convert to fraction form
    3,892.05/5,831.19 = 2,040.39/x
  3. Step 3: Cross multiply
    3,892.05x = 5,831.19 × 2,040.39
  4. Step 4: Simplify right side
    3,892.05x = 11,897,901.76
  5. Step 5: Solve for x
    x = 11,897,901.76/3,892.05
  6. Step 6: Final answer
    x = 3,056.98

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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.