Home / 3,380.02-5,061.74-2,791.42

Finding the Fourth Proportional to 3,380.02, 5,061.74 and 2,791.42

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Solution

The fourth proportional to 3,380.02, 5,061.74 and 2,791.42 is: 4,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.02 : 5,061.74 = 2,791.42 : x
  2. Step 2: Convert to fraction form
    3,380.02/5,061.74 = 2,791.42/x
  3. Step 3: Cross multiply
    3,380.02x = 5,061.74 × 2,791.42
  4. Step 4: Simplify right side
    3,380.02x = 14,129,416.96
  5. Step 5: Solve for x
    x = 14,129,416.96/3,380.02
  6. Step 6: Final answer
    x = 4,180.28

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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.