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Finding the Fourth Proportional to 2,843.44, 4,244.84 and 2,640.40

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Solution

The fourth proportional to 2,843.44, 4,244.84 and 2,640.40 is: 3,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.44 : 4,244.84 = 2,640.40 : x
  2. Step 2: Convert to fraction form
    2,843.44/4,244.84 = 2,640.40/x
  3. Step 3: Cross multiply
    2,843.44x = 4,244.84 × 2,640.40
  4. Step 4: Simplify right side
    2,843.44x = 11,208,075.54
  5. Step 5: Solve for x
    x = 11,208,075.54/2,843.44
  6. Step 6: Final answer
    x = 3,941.73

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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.