Home / 3,815.36-5,719.68-1,508.48

Finding the Fourth Proportional to 3,815.36, 5,719.68 and 1,508.48

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Solution

The fourth proportional to 3,815.36, 5,719.68 and 1,508.48 is: 2,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.36 : 5,719.68 = 1,508.48 : x
  2. Step 2: Convert to fraction form
    3,815.36/5,719.68 = 1,508.48/x
  3. Step 3: Cross multiply
    3,815.36x = 5,719.68 × 1,508.48
  4. Step 4: Simplify right side
    3,815.36x = 8,628,022.89
  5. Step 5: Solve for x
    x = 8,628,022.89/3,815.36
  6. Step 6: Final answer
    x = 2,261.39

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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.