Home / 3,819.83-5,720.02-2,084.81

Finding the Fourth Proportional to 3,819.83, 5,720.02 and 2,084.81

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Solution

The fourth proportional to 3,819.83, 5,720.02 and 2,084.81 is: 3,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.83 : 5,720.02 = 2,084.81 : x
  2. Step 2: Convert to fraction form
    3,819.83/5,720.02 = 2,084.81/x
  3. Step 3: Cross multiply
    3,819.83x = 5,720.02 × 2,084.81
  4. Step 4: Simplify right side
    3,819.83x = 11,925,121.08
  5. Step 5: Solve for x
    x = 11,925,121.08/3,819.83
  6. Step 6: Final answer
    x = 3,121.90

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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.