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Finding the Fourth Proportional to 3,891.15, 5,836.68 and 1,701.45

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Solution

The fourth proportional to 3,891.15, 5,836.68 and 1,701.45 is: 2,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.15 : 5,836.68 = 1,701.45 : x
  2. Step 2: Convert to fraction form
    3,891.15/5,836.68 = 1,701.45/x
  3. Step 3: Cross multiply
    3,891.15x = 5,836.68 × 1,701.45
  4. Step 4: Simplify right side
    3,891.15x = 9,930,819.19
  5. Step 5: Solve for x
    x = 9,930,819.19/3,891.15
  6. Step 6: Final answer
    x = 2,552.16

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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.