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Finding the Fourth Proportional to 1,957.94, 2,702.04 and 1,073.78

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Solution

The fourth proportional to 1,957.94, 2,702.04 and 1,073.78 is: 1,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.94 : 2,702.04 = 1,073.78 : x
  2. Step 2: Convert to fraction form
    1,957.94/2,702.04 = 1,073.78/x
  3. Step 3: Cross multiply
    1,957.94x = 2,702.04 × 1,073.78
  4. Step 4: Simplify right side
    1,957.94x = 2,901,389.11
  5. Step 5: Solve for x
    x = 2,901,389.11/1,957.94
  6. Step 6: Final answer
    x = 1,481.86

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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.