Home / 3,712.20-5,568.68-1,372.83

Finding the Fourth Proportional to 3,712.20, 5,568.68 and 1,372.83

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Solution

The fourth proportional to 3,712.20, 5,568.68 and 1,372.83 is: 2,059.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.20 : 5,568.68 = 1,372.83 : x
  2. Step 2: Convert to fraction form
    3,712.20/5,568.68 = 1,372.83/x
  3. Step 3: Cross multiply
    3,712.20x = 5,568.68 × 1,372.83
  4. Step 4: Simplify right side
    3,712.20x = 7,644,850.96
  5. Step 5: Solve for x
    x = 7,644,850.96/3,712.20
  6. Step 6: Final answer
    x = 2,059.39

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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.