Home / 3,831.21-5,283.77-3,442.41

Finding the Fourth Proportional to 3,831.21, 5,283.77 and 3,442.41

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Solution

The fourth proportional to 3,831.21, 5,283.77 and 3,442.41 is: 4,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.21 : 5,283.77 = 3,442.41 : x
  2. Step 2: Convert to fraction form
    3,831.21/5,283.77 = 3,442.41/x
  3. Step 3: Cross multiply
    3,831.21x = 5,283.77 × 3,442.41
  4. Step 4: Simplify right side
    3,831.21x = 18,188,885.47
  5. Step 5: Solve for x
    x = 18,188,885.47/3,831.21
  6. Step 6: Final answer
    x = 4,747.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.