Home / 3,091.62-4,636.94-1,143.36

Finding the Fourth Proportional to 3,091.62, 4,636.94 and 1,143.36

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Solution

The fourth proportional to 3,091.62, 4,636.94 and 1,143.36 is: 1,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.62 : 4,636.94 = 1,143.36 : x
  2. Step 2: Convert to fraction form
    3,091.62/4,636.94 = 1,143.36/x
  3. Step 3: Cross multiply
    3,091.62x = 4,636.94 × 1,143.36
  4. Step 4: Simplify right side
    3,091.62x = 5,301,691.72
  5. Step 5: Solve for x
    x = 5,301,691.72/3,091.62
  6. Step 6: Final answer
    x = 1,714.86

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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.