Home / 3,719.08-5,579.26-1,253.92

Finding the Fourth Proportional to 3,719.08, 5,579.26 and 1,253.92

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Solution

The fourth proportional to 3,719.08, 5,579.26 and 1,253.92 is: 1,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.08 : 5,579.26 = 1,253.92 : x
  2. Step 2: Convert to fraction form
    3,719.08/5,579.26 = 1,253.92/x
  3. Step 3: Cross multiply
    3,719.08x = 5,579.26 × 1,253.92
  4. Step 4: Simplify right side
    3,719.08x = 6,995,917.80
  5. Step 5: Solve for x
    x = 6,995,917.80/3,719.08
  6. Step 6: Final answer
    x = 1,881.09

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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.