Home / 3,604.56-5,403.24-2,217.12

Finding the Fourth Proportional to 3,604.56, 5,403.24 and 2,217.12

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Solution

The fourth proportional to 3,604.56, 5,403.24 and 2,217.12 is: 3,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.56 : 5,403.24 = 2,217.12 : x
  2. Step 2: Convert to fraction form
    3,604.56/5,403.24 = 2,217.12/x
  3. Step 3: Cross multiply
    3,604.56x = 5,403.24 × 2,217.12
  4. Step 4: Simplify right side
    3,604.56x = 11,979,631.47
  5. Step 5: Solve for x
    x = 11,979,631.47/3,604.56
  6. Step 6: Final answer
    x = 3,323.47

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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.