Home / 3,163.30-4,743.56-1,682.20

Finding the Fourth Proportional to 3,163.30, 4,743.56 and 1,682.20

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Solution

The fourth proportional to 3,163.30, 4,743.56 and 1,682.20 is: 2,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.30 : 4,743.56 = 1,682.20 : x
  2. Step 2: Convert to fraction form
    3,163.30/4,743.56 = 1,682.20/x
  3. Step 3: Cross multiply
    3,163.30x = 4,743.56 × 1,682.20
  4. Step 4: Simplify right side
    3,163.30x = 7,979,616.63
  5. Step 5: Solve for x
    x = 7,979,616.63/3,163.30
  6. Step 6: Final answer
    x = 2,522.56

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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.