Home / 3,819.08-5,730.78-2,983.80

Finding the Fourth Proportional to 3,819.08, 5,730.78 and 2,983.80

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Solution

The fourth proportional to 3,819.08, 5,730.78 and 2,983.80 is: 4,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.08 : 5,730.78 = 2,983.80 : x
  2. Step 2: Convert to fraction form
    3,819.08/5,730.78 = 2,983.80/x
  3. Step 3: Cross multiply
    3,819.08x = 5,730.78 × 2,983.80
  4. Step 4: Simplify right side
    3,819.08x = 17,099,501.36
  5. Step 5: Solve for x
    x = 17,099,501.36/3,819.08
  6. Step 6: Final answer
    x = 4,477.39

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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.