Home / 3,949.01-5,924.42-2,101.91

Finding the Fourth Proportional to 3,949.01, 5,924.42 and 2,101.91

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Solution

The fourth proportional to 3,949.01, 5,924.42 and 2,101.91 is: 3,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.01 : 5,924.42 = 2,101.91 : x
  2. Step 2: Convert to fraction form
    3,949.01/5,924.42 = 2,101.91/x
  3. Step 3: Cross multiply
    3,949.01x = 5,924.42 × 2,101.91
  4. Step 4: Simplify right side
    3,949.01x = 12,452,577.22
  5. Step 5: Solve for x
    x = 12,452,577.22/3,949.01
  6. Step 6: Final answer
    x = 3,153.34

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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.