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Finding the Fourth Proportional to 1,957.40, 2,701.25 and 1,073.25

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Solution

The fourth proportional to 1,957.40, 2,701.25 and 1,073.25 is: 1,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.40 : 2,701.25 = 1,073.25 : x
  2. Step 2: Convert to fraction form
    1,957.40/2,701.25 = 1,073.25/x
  3. Step 3: Cross multiply
    1,957.40x = 2,701.25 × 1,073.25
  4. Step 4: Simplify right side
    1,957.40x = 2,899,115.22
  5. Step 5: Solve for x
    x = 2,899,115.22/1,957.40
  6. Step 6: Final answer
    x = 1,481.11

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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.