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Finding the Fourth Proportional to 1,843.66, 2,546.83 and 1,283.85

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Solution

The fourth proportional to 1,843.66, 2,546.83 and 1,283.85 is: 1,773.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.66 : 2,546.83 = 1,283.85 : x
  2. Step 2: Convert to fraction form
    1,843.66/2,546.83 = 1,283.85/x
  3. Step 3: Cross multiply
    1,843.66x = 2,546.83 × 1,283.85
  4. Step 4: Simplify right side
    1,843.66x = 3,269,728.54
  5. Step 5: Solve for x
    x = 3,269,728.54/1,843.66
  6. Step 6: Final answer
    x = 1,773.50

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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.