Home / 2,568.16-3,852.60-1,107.36

Finding the Fourth Proportional to 2,568.16, 3,852.60 and 1,107.36

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Solution

The fourth proportional to 2,568.16, 3,852.60 and 1,107.36 is: 1,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.16 : 3,852.60 = 1,107.36 : x
  2. Step 2: Convert to fraction form
    2,568.16/3,852.60 = 1,107.36/x
  3. Step 3: Cross multiply
    2,568.16x = 3,852.60 × 1,107.36
  4. Step 4: Simplify right side
    2,568.16x = 4,266,215.14
  5. Step 5: Solve for x
    x = 4,266,215.14/2,568.16
  6. Step 6: Final answer
    x = 1,661.20

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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.