Home / 2,414.36-3,621.30-1,115.81

Finding the Fourth Proportional to 2,414.36, 3,621.30 and 1,115.81

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Solution

The fourth proportional to 2,414.36, 3,621.30 and 1,115.81 is: 1,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.36 : 3,621.30 = 1,115.81 : x
  2. Step 2: Convert to fraction form
    2,414.36/3,621.30 = 1,115.81/x
  3. Step 3: Cross multiply
    2,414.36x = 3,621.30 × 1,115.81
  4. Step 4: Simplify right side
    2,414.36x = 4,040,682.75
  5. Step 5: Solve for x
    x = 4,040,682.75/2,414.36
  6. Step 6: Final answer
    x = 1,673.60

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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.