Home / 3,197.54-4,798.44-2,221.90

Finding the Fourth Proportional to 3,197.54, 4,798.44 and 2,221.90

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Solution

The fourth proportional to 3,197.54, 4,798.44 and 2,221.90 is: 3,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.54 : 4,798.44 = 2,221.90 : x
  2. Step 2: Convert to fraction form
    3,197.54/4,798.44 = 2,221.90/x
  3. Step 3: Cross multiply
    3,197.54x = 4,798.44 × 2,221.90
  4. Step 4: Simplify right side
    3,197.54x = 10,661,641.84
  5. Step 5: Solve for x
    x = 10,661,641.84/3,197.54
  6. Step 6: Final answer
    x = 3,334.32

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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.