Home / 3,643.14-5,469.71-1,889.58

Finding the Fourth Proportional to 3,643.14, 5,469.71 and 1,889.58

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Solution

The fourth proportional to 3,643.14, 5,469.71 and 1,889.58 is: 2,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.14 : 5,469.71 = 1,889.58 : x
  2. Step 2: Convert to fraction form
    3,643.14/5,469.71 = 1,889.58/x
  3. Step 3: Cross multiply
    3,643.14x = 5,469.71 × 1,889.58
  4. Step 4: Simplify right side
    3,643.14x = 10,335,454.62
  5. Step 5: Solve for x
    x = 10,335,454.62/3,643.14
  6. Step 6: Final answer
    x = 2,836.96

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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.