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Finding the Fourth Proportional to 3,877.97, 5,817.15 and 1,104.84

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Solution

The fourth proportional to 3,877.97, 5,817.15 and 1,104.84 is: 1,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.97 : 5,817.15 = 1,104.84 : x
  2. Step 2: Convert to fraction form
    3,877.97/5,817.15 = 1,104.84/x
  3. Step 3: Cross multiply
    3,877.97x = 5,817.15 × 1,104.84
  4. Step 4: Simplify right side
    3,877.97x = 6,427,020.01
  5. Step 5: Solve for x
    x = 6,427,020.01/3,877.97
  6. Step 6: Final answer
    x = 1,657.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.