Home / 3,220.94-4,831.08-1,273.29

Finding the Fourth Proportional to 3,220.94, 4,831.08 and 1,273.29

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Solution

The fourth proportional to 3,220.94, 4,831.08 and 1,273.29 is: 1,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.94 : 4,831.08 = 1,273.29 : x
  2. Step 2: Convert to fraction form
    3,220.94/4,831.08 = 1,273.29/x
  3. Step 3: Cross multiply
    3,220.94x = 4,831.08 × 1,273.29
  4. Step 4: Simplify right side
    3,220.94x = 6,151,365.85
  5. Step 5: Solve for x
    x = 6,151,365.85/3,220.94
  6. Step 6: Final answer
    x = 1,909.81

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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.