Home / 3,327.28-4,987.58-2,229.12

Finding the Fourth Proportional to 3,327.28, 4,987.58 and 2,229.12

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Solution

The fourth proportional to 3,327.28, 4,987.58 and 2,229.12 is: 3,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.28 : 4,987.58 = 2,229.12 : x
  2. Step 2: Convert to fraction form
    3,327.28/4,987.58 = 2,229.12/x
  3. Step 3: Cross multiply
    3,327.28x = 4,987.58 × 2,229.12
  4. Step 4: Simplify right side
    3,327.28x = 11,117,903.18
  5. Step 5: Solve for x
    x = 11,117,903.18/3,327.28
  6. Step 6: Final answer
    x = 3,341.44

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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.