Home / 3,245.28-4,479.48-2,197.32

Finding the Fourth Proportional to 3,245.28, 4,479.48 and 2,197.32

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Solution

The fourth proportional to 3,245.28, 4,479.48 and 2,197.32 is: 3,032.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.28 : 4,479.48 = 2,197.32 : x
  2. Step 2: Convert to fraction form
    3,245.28/4,479.48 = 2,197.32/x
  3. Step 3: Cross multiply
    3,245.28x = 4,479.48 × 2,197.32
  4. Step 4: Simplify right side
    3,245.28x = 9,842,850.99
  5. Step 5: Solve for x
    x = 9,842,850.99/3,245.28
  6. Step 6: Final answer
    x = 3,032.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.