Home / 3,843.63-5,765.18-2,195.01

Finding the Fourth Proportional to 3,843.63, 5,765.18 and 2,195.01

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Solution

The fourth proportional to 3,843.63, 5,765.18 and 2,195.01 is: 3,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.63 : 5,765.18 = 2,195.01 : x
  2. Step 2: Convert to fraction form
    3,843.63/5,765.18 = 2,195.01/x
  3. Step 3: Cross multiply
    3,843.63x = 5,765.18 × 2,195.01
  4. Step 4: Simplify right side
    3,843.63x = 12,654,616.78
  5. Step 5: Solve for x
    x = 12,654,616.78/3,843.63
  6. Step 6: Final answer
    x = 3,292.36

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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.