Home / 3,812.05-5,719.29-1,348.44

Finding the Fourth Proportional to 3,812.05, 5,719.29 and 1,348.44

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Solution

The fourth proportional to 3,812.05, 5,719.29 and 1,348.44 is: 2,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.05 : 5,719.29 = 1,348.44 : x
  2. Step 2: Convert to fraction form
    3,812.05/5,719.29 = 1,348.44/x
  3. Step 3: Cross multiply
    3,812.05x = 5,719.29 × 1,348.44
  4. Step 4: Simplify right side
    3,812.05x = 7,712,119.41
  5. Step 5: Solve for x
    x = 7,712,119.41/3,812.05
  6. Step 6: Final answer
    x = 2,023.09

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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.