Home / 3,540.74-5,307.46-1,896.84

Finding the Fourth Proportional to 3,540.74, 5,307.46 and 1,896.84

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Solution

The fourth proportional to 3,540.74, 5,307.46 and 1,896.84 is: 2,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.74 : 5,307.46 = 1,896.84 : x
  2. Step 2: Convert to fraction form
    3,540.74/5,307.46 = 1,896.84/x
  3. Step 3: Cross multiply
    3,540.74x = 5,307.46 × 1,896.84
  4. Step 4: Simplify right side
    3,540.74x = 10,067,397.68
  5. Step 5: Solve for x
    x = 10,067,397.68/3,540.74
  6. Step 6: Final answer
    x = 2,843.31

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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.