Home / 3,865.14-5,796.68-1,091.16

Finding the Fourth Proportional to 3,865.14, 5,796.68 and 1,091.16

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Solution

The fourth proportional to 3,865.14, 5,796.68 and 1,091.16 is: 1,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.14 : 5,796.68 = 1,091.16 : x
  2. Step 2: Convert to fraction form
    3,865.14/5,796.68 = 1,091.16/x
  3. Step 3: Cross multiply
    3,865.14x = 5,796.68 × 1,091.16
  4. Step 4: Simplify right side
    3,865.14x = 6,325,099.89
  5. Step 5: Solve for x
    x = 6,325,099.89/3,865.14
  6. Step 6: Final answer
    x = 1,636.45

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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.