Home / 3,221.35-4,831.98-1,273.53

Finding the Fourth Proportional to 3,221.35, 4,831.98 and 1,273.53

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Solution

The fourth proportional to 3,221.35, 4,831.98 and 1,273.53 is: 1,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.35 : 4,831.98 = 1,273.53 : x
  2. Step 2: Convert to fraction form
    3,221.35/4,831.98 = 1,273.53/x
  3. Step 3: Cross multiply
    3,221.35x = 4,831.98 × 1,273.53
  4. Step 4: Simplify right side
    3,221.35x = 6,153,671.49
  5. Step 5: Solve for x
    x = 6,153,671.49/3,221.35
  6. Step 6: Final answer
    x = 1,910.28

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1.5x scale

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.