Home / 3,171.62-4,372.64-2,602.37

Finding the Fourth Proportional to 3,171.62, 4,372.64 and 2,602.37

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Solution

The fourth proportional to 3,171.62, 4,372.64 and 2,602.37 is: 3,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.62 : 4,372.64 = 2,602.37 : x
  2. Step 2: Convert to fraction form
    3,171.62/4,372.64 = 2,602.37/x
  3. Step 3: Cross multiply
    3,171.62x = 4,372.64 × 2,602.37
  4. Step 4: Simplify right side
    3,171.62x = 11,379,249.47
  5. Step 5: Solve for x
    x = 11,379,249.47/3,171.62
  6. Step 6: Final answer
    x = 3,587.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.