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Finding the Fourth Proportional to 1,922.94, 2,883.94 and 827.18

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Solution

The fourth proportional to 1,922.94, 2,883.94 and 827.18 is: 1,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.94 : 2,883.94 = 827.18 : x
  2. Step 2: Convert to fraction form
    1,922.94/2,883.94 = 827.18/x
  3. Step 3: Cross multiply
    1,922.94x = 2,883.94 × 827.18
  4. Step 4: Simplify right side
    1,922.94x = 2,385,531.82
  5. Step 5: Solve for x
    x = 2,385,531.82/1,922.94
  6. Step 6: Final answer
    x = 1,240.56

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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.