Home / 3,811.84-5,719.68-2,794.24

Finding the Fourth Proportional to 3,811.84, 5,719.68 and 2,794.24

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Solution

The fourth proportional to 3,811.84, 5,719.68 and 2,794.24 is: 4,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.84 : 5,719.68 = 2,794.24 : x
  2. Step 2: Convert to fraction form
    3,811.84/5,719.68 = 2,794.24/x
  3. Step 3: Cross multiply
    3,811.84x = 5,719.68 × 2,794.24
  4. Step 4: Simplify right side
    3,811.84x = 15,982,158.64
  5. Step 5: Solve for x
    x = 15,982,158.64/3,811.84
  6. Step 6: Final answer
    x = 4,192.77

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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.