Home / 3,221.32-4,831.98-2,249.32

Finding the Fourth Proportional to 3,221.32, 4,831.98 and 2,249.32

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Solution

The fourth proportional to 3,221.32, 4,831.98 and 2,249.32 is: 3,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.32 : 4,831.98 = 2,249.32 : x
  2. Step 2: Convert to fraction form
    3,221.32/4,831.98 = 2,249.32/x
  3. Step 3: Cross multiply
    3,221.32x = 4,831.98 × 2,249.32
  4. Step 4: Simplify right side
    3,221.32x = 10,868,669.25
  5. Step 5: Solve for x
    x = 10,868,669.25/3,221.32
  6. Step 6: Final answer
    x = 3,373.98

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Similar ratio
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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.