Home / 2,643.36-3,963.86-1,410.54

Finding the Fourth Proportional to 2,643.36, 3,963.86 and 1,410.54

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Solution

The fourth proportional to 2,643.36, 3,963.86 and 1,410.54 is: 2,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.36 : 3,963.86 = 1,410.54 : x
  2. Step 2: Convert to fraction form
    2,643.36/3,963.86 = 1,410.54/x
  3. Step 3: Cross multiply
    2,643.36x = 3,963.86 × 1,410.54
  4. Step 4: Simplify right side
    2,643.36x = 5,591,183.08
  5. Step 5: Solve for x
    x = 5,591,183.08/2,643.36
  6. Step 6: Final answer
    x = 2,115.18

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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.