Home / 3,617.78-5,426.26-2,455.25

Finding the Fourth Proportional to 3,617.78, 5,426.26 and 2,455.25

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Solution

The fourth proportional to 3,617.78, 5,426.26 and 2,455.25 is: 3,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.78 : 5,426.26 = 2,455.25 : x
  2. Step 2: Convert to fraction form
    3,617.78/5,426.26 = 2,455.25/x
  3. Step 3: Cross multiply
    3,617.78x = 5,426.26 × 2,455.25
  4. Step 4: Simplify right side
    3,617.78x = 13,322,824.87
  5. Step 5: Solve for x
    x = 13,322,824.87/3,617.78
  6. Step 6: Final answer
    x = 3,682.60

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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.