Home / 3,845.63-5,759.12-2,197.18

Finding the Fourth Proportional to 3,845.63, 5,759.12 and 2,197.18

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Solution

The fourth proportional to 3,845.63, 5,759.12 and 2,197.18 is: 3,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.63 : 5,759.12 = 2,197.18 : x
  2. Step 2: Convert to fraction form
    3,845.63/5,759.12 = 2,197.18/x
  3. Step 3: Cross multiply
    3,845.63x = 5,759.12 × 2,197.18
  4. Step 4: Simplify right side
    3,845.63x = 12,653,791.22
  5. Step 5: Solve for x
    x = 12,653,791.22/3,845.63
  6. Step 6: Final answer
    x = 3,290.44

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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.