Home / 3,966.24-5,473.20-2,197.80

Finding the Fourth Proportional to 3,966.24, 5,473.20 and 2,197.80

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Solution

The fourth proportional to 3,966.24, 5,473.20 and 2,197.80 is: 3,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.24 : 5,473.20 = 2,197.80 : x
  2. Step 2: Convert to fraction form
    3,966.24/5,473.20 = 2,197.80/x
  3. Step 3: Cross multiply
    3,966.24x = 5,473.20 × 2,197.80
  4. Step 4: Simplify right side
    3,966.24x = 12,028,998.96
  5. Step 5: Solve for x
    x = 12,028,998.96/3,966.24
  6. Step 6: Final answer
    x = 3,032.85

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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.