Home / 2,197.79-3,293.42-2,143.46

Finding the Fourth Proportional to 2,197.79, 3,293.42 and 2,143.46

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Solution

The fourth proportional to 2,197.79, 3,293.42 and 2,143.46 is: 3,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.79 : 3,293.42 = 2,143.46 : x
  2. Step 2: Convert to fraction form
    2,197.79/3,293.42 = 2,143.46/x
  3. Step 3: Cross multiply
    2,197.79x = 3,293.42 × 2,143.46
  4. Step 4: Simplify right side
    2,197.79x = 7,059,286.85
  5. Step 5: Solve for x
    x = 7,059,286.85/2,197.79
  6. Step 6: Final answer
    x = 3,212.00

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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.