Home / 3,728.66-5,146.62-2,469.92

Finding the Fourth Proportional to 3,728.66, 5,146.62 and 2,469.92

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Solution

The fourth proportional to 3,728.66, 5,146.62 and 2,469.92 is: 3,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.66 : 5,146.62 = 2,469.92 : x
  2. Step 2: Convert to fraction form
    3,728.66/5,146.62 = 2,469.92/x
  3. Step 3: Cross multiply
    3,728.66x = 5,146.62 × 2,469.92
  4. Step 4: Simplify right side
    3,728.66x = 12,711,739.67
  5. Step 5: Solve for x
    x = 12,711,739.67/3,728.66
  6. Step 6: Final answer
    x = 3,409.20

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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.