Home / 3,636.27-5,455.47-1,171.04

Finding the Fourth Proportional to 3,636.27, 5,455.47 and 1,171.04

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Solution

The fourth proportional to 3,636.27, 5,455.47 and 1,171.04 is: 1,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.27 : 5,455.47 = 1,171.04 : x
  2. Step 2: Convert to fraction form
    3,636.27/5,455.47 = 1,171.04/x
  3. Step 3: Cross multiply
    3,636.27x = 5,455.47 × 1,171.04
  4. Step 4: Simplify right side
    3,636.27x = 6,388,546.31
  5. Step 5: Solve for x
    x = 6,388,546.31/3,636.27
  6. Step 6: Final answer
    x = 1,756.90

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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.