Home / 3,372.42-4,655.16-2,310.78

Finding the Fourth Proportional to 3,372.42, 4,655.16 and 2,310.78

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Solution

The fourth proportional to 3,372.42, 4,655.16 and 2,310.78 is: 3,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.42 : 4,655.16 = 2,310.78 : x
  2. Step 2: Convert to fraction form
    3,372.42/4,655.16 = 2,310.78/x
  3. Step 3: Cross multiply
    3,372.42x = 4,655.16 × 2,310.78
  4. Step 4: Simplify right side
    3,372.42x = 10,757,050.62
  5. Step 5: Solve for x
    x = 10,757,050.62/3,372.42
  6. Step 6: Final answer
    x = 3,189.71

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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.