Home / 3,958.52-5,939.22-2,420.60

Finding the Fourth Proportional to 3,958.52, 5,939.22 and 2,420.60

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Solution

The fourth proportional to 3,958.52, 5,939.22 and 2,420.60 is: 3,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.52 : 5,939.22 = 2,420.60 : x
  2. Step 2: Convert to fraction form
    3,958.52/5,939.22 = 2,420.60/x
  3. Step 3: Cross multiply
    3,958.52x = 5,939.22 × 2,420.60
  4. Step 4: Simplify right side
    3,958.52x = 14,376,475.93
  5. Step 5: Solve for x
    x = 14,376,475.93/3,958.52
  6. Step 6: Final answer
    x = 3,631.78

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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.