Home / 3,818.30-5,721.78-2,258.64

Finding the Fourth Proportional to 3,818.30, 5,721.78 and 2,258.64

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Solution

The fourth proportional to 3,818.30, 5,721.78 and 2,258.64 is: 3,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.30 : 5,721.78 = 2,258.64 : x
  2. Step 2: Convert to fraction form
    3,818.30/5,721.78 = 2,258.64/x
  3. Step 3: Cross multiply
    3,818.30x = 5,721.78 × 2,258.64
  4. Step 4: Simplify right side
    3,818.30x = 12,923,441.18
  5. Step 5: Solve for x
    x = 12,923,441.18/3,818.30
  6. Step 6: Final answer
    x = 3,384.61

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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.