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Finding the Fourth Proportional to 1,951.73, 2,695.67 and 1,554.73

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Solution

The fourth proportional to 1,951.73, 2,695.67 and 1,554.73 is: 2,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.73 : 2,695.67 = 1,554.73 : x
  2. Step 2: Convert to fraction form
    1,951.73/2,695.67 = 1,554.73/x
  3. Step 3: Cross multiply
    1,951.73x = 2,695.67 × 1,554.73
  4. Step 4: Simplify right side
    1,951.73x = 4,191,039.02
  5. Step 5: Solve for x
    x = 4,191,039.02/1,951.73
  6. Step 6: Final answer
    x = 2,147.35

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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.