Home / 3,802.95-5,704.83-2,979.72

Finding the Fourth Proportional to 3,802.95, 5,704.83 and 2,979.72

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Solution

The fourth proportional to 3,802.95, 5,704.83 and 2,979.72 is: 4,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.95 : 5,704.83 = 2,979.72 : x
  2. Step 2: Convert to fraction form
    3,802.95/5,704.83 = 2,979.72/x
  3. Step 3: Cross multiply
    3,802.95x = 5,704.83 × 2,979.72
  4. Step 4: Simplify right side
    3,802.95x = 16,998,796.05
  5. Step 5: Solve for x
    x = 16,998,796.05/3,802.95
  6. Step 6: Final answer
    x = 4,469.90

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1.5x scale

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.