Home / 2,192.20-3,282.06-1,214.68

Finding the Fourth Proportional to 2,192.20, 3,282.06 and 1,214.68

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Solution

The fourth proportional to 2,192.20, 3,282.06 and 1,214.68 is: 1,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.20 : 3,282.06 = 1,214.68 : x
  2. Step 2: Convert to fraction form
    2,192.20/3,282.06 = 1,214.68/x
  3. Step 3: Cross multiply
    2,192.20x = 3,282.06 × 1,214.68
  4. Step 4: Simplify right side
    2,192.20x = 3,986,652.64
  5. Step 5: Solve for x
    x = 3,986,652.64/2,192.20
  6. Step 6: Final answer
    x = 1,818.56

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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.