Home / 3,905.24-5,843.88-3,644.55

Finding the Fourth Proportional to 3,905.24, 5,843.88 and 3,644.55

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Solution

The fourth proportional to 3,905.24, 5,843.88 and 3,644.55 is: 5,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.24 : 5,843.88 = 3,644.55 : x
  2. Step 2: Convert to fraction form
    3,905.24/5,843.88 = 3,644.55/x
  3. Step 3: Cross multiply
    3,905.24x = 5,843.88 × 3,644.55
  4. Step 4: Simplify right side
    3,905.24x = 21,298,312.85
  5. Step 5: Solve for x
    x = 21,298,312.85/3,905.24
  6. Step 6: Final answer
    x = 5,453.79

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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.