Home / 3,219.44-4,825.68-2,108.42

Finding the Fourth Proportional to 3,219.44, 4,825.68 and 2,108.42

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Solution

The fourth proportional to 3,219.44, 4,825.68 and 2,108.42 is: 3,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.44 : 4,825.68 = 2,108.42 : x
  2. Step 2: Convert to fraction form
    3,219.44/4,825.68 = 2,108.42/x
  3. Step 3: Cross multiply
    3,219.44x = 4,825.68 × 2,108.42
  4. Step 4: Simplify right side
    3,219.44x = 10,174,560.23
  5. Step 5: Solve for x
    x = 10,174,560.23/3,219.44
  6. Step 6: Final answer
    x = 3,160.35

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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.