Home / 3,219.14-4,832.16-2,851.23

Finding the Fourth Proportional to 3,219.14, 4,832.16 and 2,851.23

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Solution

The fourth proportional to 3,219.14, 4,832.16 and 2,851.23 is: 4,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.14 : 4,832.16 = 2,851.23 : x
  2. Step 2: Convert to fraction form
    3,219.14/4,832.16 = 2,851.23/x
  3. Step 3: Cross multiply
    3,219.14x = 4,832.16 × 2,851.23
  4. Step 4: Simplify right side
    3,219.14x = 13,777,599.56
  5. Step 5: Solve for x
    x = 13,777,599.56/3,219.14
  6. Step 6: Final answer
    x = 4,279.90

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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.