Home / 3,961.96-5,942.58-1,040.20

Finding the Fourth Proportional to 3,961.96, 5,942.58 and 1,040.20

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Solution

The fourth proportional to 3,961.96, 5,942.58 and 1,040.20 is: 1,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.96 : 5,942.58 = 1,040.20 : x
  2. Step 2: Convert to fraction form
    3,961.96/5,942.58 = 1,040.20/x
  3. Step 3: Cross multiply
    3,961.96x = 5,942.58 × 1,040.20
  4. Step 4: Simplify right side
    3,961.96x = 6,181,471.72
  5. Step 5: Solve for x
    x = 6,181,471.72/3,961.96
  6. Step 6: Final answer
    x = 1,560.21

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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.