Home / 3,186.60-4,388.61-2,568.77

Finding the Fourth Proportional to 3,186.60, 4,388.61 and 2,568.77

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Solution

The fourth proportional to 3,186.60, 4,388.61 and 2,568.77 is: 3,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.60 : 4,388.61 = 2,568.77 : x
  2. Step 2: Convert to fraction form
    3,186.60/4,388.61 = 2,568.77/x
  3. Step 3: Cross multiply
    3,186.60x = 4,388.61 × 2,568.77
  4. Step 4: Simplify right side
    3,186.60x = 11,273,329.71
  5. Step 5: Solve for x
    x = 11,273,329.71/3,186.60
  6. Step 6: Final answer
    x = 3,537.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.