Home / 2,192.28-3,276.30-1,963.86

Finding the Fourth Proportional to 2,192.28, 3,276.30 and 1,963.86

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Solution

The fourth proportional to 2,192.28, 3,276.30 and 1,963.86 is: 2,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.28 : 3,276.30 = 1,963.86 : x
  2. Step 2: Convert to fraction form
    2,192.28/3,276.30 = 1,963.86/x
  3. Step 3: Cross multiply
    2,192.28x = 3,276.30 × 1,963.86
  4. Step 4: Simplify right side
    2,192.28x = 6,434,194.52
  5. Step 5: Solve for x
    x = 6,434,194.52/2,192.28
  6. Step 6: Final answer
    x = 2,934.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.