Home / 3,818.00-5,728.91-1,479.61

Finding the Fourth Proportional to 3,818.00, 5,728.91 and 1,479.61

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Solution

The fourth proportional to 3,818.00, 5,728.91 and 1,479.61 is: 2,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.00 : 5,728.91 = 1,479.61 : x
  2. Step 2: Convert to fraction form
    3,818.00/5,728.91 = 1,479.61/x
  3. Step 3: Cross multiply
    3,818.00x = 5,728.91 × 1,479.61
  4. Step 4: Simplify right side
    3,818.00x = 8,476,580.95
  5. Step 5: Solve for x
    x = 8,476,580.95/3,818.00
  6. Step 6: Final answer
    x = 2,220.17

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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.