Home / 3,611.28-5,415.46-1,761.85

Finding the Fourth Proportional to 3,611.28, 5,415.46 and 1,761.85

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Solution

The fourth proportional to 3,611.28, 5,415.46 and 1,761.85 is: 2,642.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.28 : 5,415.46 = 1,761.85 : x
  2. Step 2: Convert to fraction form
    3,611.28/5,415.46 = 1,761.85/x
  3. Step 3: Cross multiply
    3,611.28x = 5,415.46 × 1,761.85
  4. Step 4: Simplify right side
    3,611.28x = 9,541,230.57
  5. Step 5: Solve for x
    x = 9,541,230.57/3,611.28
  6. Step 6: Final answer
    x = 2,642.06

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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.