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Finding the Fourth Proportional to 2,881.83, 3,976.83 and 1,702.88

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Solution

The fourth proportional to 2,881.83, 3,976.83 and 1,702.88 is: 2,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.83 : 3,976.83 = 1,702.88 : x
  2. Step 2: Convert to fraction form
    2,881.83/3,976.83 = 1,702.88/x
  3. Step 3: Cross multiply
    2,881.83x = 3,976.83 × 1,702.88
  4. Step 4: Simplify right side
    2,881.83x = 6,772,044.39
  5. Step 5: Solve for x
    x = 6,772,044.39/2,881.83
  6. Step 6: Final answer
    x = 2,349.91

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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.