Home / 3,761.40-5,652.90-3,286.20

Finding the Fourth Proportional to 3,761.40, 5,652.90 and 3,286.20

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Solution

The fourth proportional to 3,761.40, 5,652.90 and 3,286.20 is: 4,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.40 : 5,652.90 = 3,286.20 : x
  2. Step 2: Convert to fraction form
    3,761.40/5,652.90 = 3,286.20/x
  3. Step 3: Cross multiply
    3,761.40x = 5,652.90 × 3,286.20
  4. Step 4: Simplify right side
    3,761.40x = 18,576,559.98
  5. Step 5: Solve for x
    x = 18,576,559.98/3,761.40
  6. Step 6: Final answer
    x = 4,938.74

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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.