Home / 2,568.57-3,853.32-1,088.70

Finding the Fourth Proportional to 2,568.57, 3,853.32 and 1,088.70

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Solution

The fourth proportional to 2,568.57, 3,853.32 and 1,088.70 is: 1,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.57 : 3,853.32 = 1,088.70 : x
  2. Step 2: Convert to fraction form
    2,568.57/3,853.32 = 1,088.70/x
  3. Step 3: Cross multiply
    2,568.57x = 3,853.32 × 1,088.70
  4. Step 4: Simplify right side
    2,568.57x = 4,195,109.48
  5. Step 5: Solve for x
    x = 4,195,109.48/2,568.57
  6. Step 6: Final answer
    x = 1,633.25

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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.