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Finding the Fourth Proportional to 2,702.63, 3,727.86 and 1,863.37

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Solution

The fourth proportional to 2,702.63, 3,727.86 and 1,863.37 is: 2,570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.63 : 3,727.86 = 1,863.37 : x
  2. Step 2: Convert to fraction form
    2,702.63/3,727.86 = 1,863.37/x
  3. Step 3: Cross multiply
    2,702.63x = 3,727.86 × 1,863.37
  4. Step 4: Simplify right side
    2,702.63x = 6,946,380.16
  5. Step 5: Solve for x
    x = 6,946,380.16/2,702.63
  6. Step 6: Final answer
    x = 2,570.23

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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.