Home / 3,219.84-4,831.38-1,273.41

Finding the Fourth Proportional to 3,219.84, 4,831.38 and 1,273.41

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Solution

The fourth proportional to 3,219.84, 4,831.38 and 1,273.41 is: 1,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.84 : 4,831.38 = 1,273.41 : x
  2. Step 2: Convert to fraction form
    3,219.84/4,831.38 = 1,273.41/x
  3. Step 3: Cross multiply
    3,219.84x = 4,831.38 × 1,273.41
  4. Step 4: Simplify right side
    3,219.84x = 6,152,327.61
  5. Step 5: Solve for x
    x = 6,152,327.61/3,219.84
  6. Step 6: Final answer
    x = 1,910.76

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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.