Home / 3,180.11-4,388.14-1,763.79

Finding the Fourth Proportional to 3,180.11, 4,388.14 and 1,763.79

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Solution

The fourth proportional to 3,180.11, 4,388.14 and 1,763.79 is: 2,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.11 : 4,388.14 = 1,763.79 : x
  2. Step 2: Convert to fraction form
    3,180.11/4,388.14 = 1,763.79/x
  3. Step 3: Cross multiply
    3,180.11x = 4,388.14 × 1,763.79
  4. Step 4: Simplify right side
    3,180.11x = 7,739,767.88
  5. Step 5: Solve for x
    x = 7,739,767.88/3,180.11
  6. Step 6: Final answer
    x = 2,433.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.