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Finding the Fourth Proportional to 2,568.54, 3,852 and 1,107.30

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Solution

The fourth proportional to 2,568.54, 3,852 and 1,107.30 is: 1,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.54 : 3,852 = 1,107.30 : x
  2. Step 2: Convert to fraction form
    2,568.54/3,852 = 1,107.30/x
  3. Step 3: Cross multiply
    2,568.54x = 3,852 × 1,107.30
  4. Step 4: Simplify right side
    2,568.54x = 4,265,319.60
  5. Step 5: Solve for x
    x = 4,265,319.60/2,568.54
  6. Step 6: Final answer
    x = 1,660.60

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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.