Home / 3,819.81-5,727.97-1,480.93

Finding the Fourth Proportional to 3,819.81, 5,727.97 and 1,480.93

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Solution

The fourth proportional to 3,819.81, 5,727.97 and 1,480.93 is: 2,220.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.81 : 5,727.97 = 1,480.93 : x
  2. Step 2: Convert to fraction form
    3,819.81/5,727.97 = 1,480.93/x
  3. Step 3: Cross multiply
    3,819.81x = 5,727.97 × 1,480.93
  4. Step 4: Simplify right side
    3,819.81x = 8,482,734.03
  5. Step 5: Solve for x
    x = 8,482,734.03/3,819.81
  6. Step 6: Final answer
    x = 2,220.72

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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.