Home / 3,961.70-5,942.59-1,040.30

Finding the Fourth Proportional to 3,961.70, 5,942.59 and 1,040.30

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Solution

The fourth proportional to 3,961.70, 5,942.59 and 1,040.30 is: 1,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.70 : 5,942.59 = 1,040.30 : x
  2. Step 2: Convert to fraction form
    3,961.70/5,942.59 = 1,040.30/x
  3. Step 3: Cross multiply
    3,961.70x = 5,942.59 × 1,040.30
  4. Step 4: Simplify right side
    3,961.70x = 6,182,076.38
  5. Step 5: Solve for x
    x = 6,182,076.38/3,961.70
  6. Step 6: Final answer
    x = 1,560.46

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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.