Home / 3,643.23-5,469.84-1,889.44

Finding the Fourth Proportional to 3,643.23, 5,469.84 and 1,889.44

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Solution

The fourth proportional to 3,643.23, 5,469.84 and 1,889.44 is: 2,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.23 : 5,469.84 = 1,889.44 : x
  2. Step 2: Convert to fraction form
    3,643.23/5,469.84 = 1,889.44/x
  3. Step 3: Cross multiply
    3,643.23x = 5,469.84 × 1,889.44
  4. Step 4: Simplify right side
    3,643.23x = 10,334,941.33
  5. Step 5: Solve for x
    x = 10,334,941.33/3,643.23
  6. Step 6: Final answer
    x = 2,836.76

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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.