Home / 3,819.08-5,728.68-2,769.32

Finding the Fourth Proportional to 3,819.08, 5,728.68 and 2,769.32

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Solution

The fourth proportional to 3,819.08, 5,728.68 and 2,769.32 is: 4,154.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.08 : 5,728.68 = 2,769.32 : x
  2. Step 2: Convert to fraction form
    3,819.08/5,728.68 = 2,769.32/x
  3. Step 3: Cross multiply
    3,819.08x = 5,728.68 × 2,769.32
  4. Step 4: Simplify right side
    3,819.08x = 15,864,548.10
  5. Step 5: Solve for x
    x = 15,864,548.10/3,819.08
  6. Step 6: Final answer
    x = 4,154.02

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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.