Home / 3,768.12-5,198.31-2,442.15

Finding the Fourth Proportional to 3,768.12, 5,198.31 and 2,442.15

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Solution

The fourth proportional to 3,768.12, 5,198.31 and 2,442.15 is: 3,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.12 : 5,198.31 = 2,442.15 : x
  2. Step 2: Convert to fraction form
    3,768.12/5,198.31 = 2,442.15/x
  3. Step 3: Cross multiply
    3,768.12x = 5,198.31 × 2,442.15
  4. Step 4: Simplify right side
    3,768.12x = 12,695,052.77
  5. Step 5: Solve for x
    x = 12,695,052.77/3,768.12
  6. Step 6: Final answer
    x = 3,369.07

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1.5x scale

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.