Home / 3,820.20-5,722.20-3,334.20

Finding the Fourth Proportional to 3,820.20, 5,722.20 and 3,334.20

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Solution

The fourth proportional to 3,820.20, 5,722.20 and 3,334.20 is: 4,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.20 : 5,722.20 = 3,334.20 : x
  2. Step 2: Convert to fraction form
    3,820.20/5,722.20 = 3,334.20/x
  3. Step 3: Cross multiply
    3,820.20x = 5,722.20 × 3,334.20
  4. Step 4: Simplify right side
    3,820.20x = 19,078,959.24
  5. Step 5: Solve for x
    x = 19,078,959.24/3,820.20
  6. Step 6: Final answer
    x = 4,994.23

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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.