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Finding the Fourth Proportional to 2,274.78, 3,410.81 and 1,232.92

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Solution

The fourth proportional to 2,274.78, 3,410.81 and 1,232.92 is: 1,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.78 : 3,410.81 = 1,232.92 : x
  2. Step 2: Convert to fraction form
    2,274.78/3,410.81 = 1,232.92/x
  3. Step 3: Cross multiply
    2,274.78x = 3,410.81 × 1,232.92
  4. Step 4: Simplify right side
    2,274.78x = 4,205,258.59
  5. Step 5: Solve for x
    x = 4,205,258.59/2,274.78
  6. Step 6: Final answer
    x = 1,848.64

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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.