Home / 3,744.05-5,622.15-2,103.80

Finding the Fourth Proportional to 3,744.05, 5,622.15 and 2,103.80

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Solution

The fourth proportional to 3,744.05, 5,622.15 and 2,103.80 is: 3,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.05 : 5,622.15 = 2,103.80 : x
  2. Step 2: Convert to fraction form
    3,744.05/5,622.15 = 2,103.80/x
  3. Step 3: Cross multiply
    3,744.05x = 5,622.15 × 2,103.80
  4. Step 4: Simplify right side
    3,744.05x = 11,827,879.17
  5. Step 5: Solve for x
    x = 11,827,879.17/3,744.05
  6. Step 6: Final answer
    x = 3,159.11

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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.