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Finding the Fourth Proportional to 3,145.26, 4,720.04 and 1,093.26

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Solution

The fourth proportional to 3,145.26, 4,720.04 and 1,093.26 is: 1,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.26 : 4,720.04 = 1,093.26 : x
  2. Step 2: Convert to fraction form
    3,145.26/4,720.04 = 1,093.26/x
  3. Step 3: Cross multiply
    3,145.26x = 4,720.04 × 1,093.26
  4. Step 4: Simplify right side
    3,145.26x = 5,160,230.93
  5. Step 5: Solve for x
    x = 5,160,230.93/3,145.26
  6. Step 6: Final answer
    x = 1,640.64

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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.