Home / 3,719.39-5,579.43-1,254.96

Finding the Fourth Proportional to 3,719.39, 5,579.43 and 1,254.96

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Solution

The fourth proportional to 3,719.39, 5,579.43 and 1,254.96 is: 1,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.39 : 5,579.43 = 1,254.96 : x
  2. Step 2: Convert to fraction form
    3,719.39/5,579.43 = 1,254.96/x
  3. Step 3: Cross multiply
    3,719.39x = 5,579.43 × 1,254.96
  4. Step 4: Simplify right side
    3,719.39x = 7,001,961.47
  5. Step 5: Solve for x
    x = 7,001,961.47/3,719.39
  6. Step 6: Final answer
    x = 1,882.56

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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.