Home / 2,790.16-4,186-2,268.86

Finding the Fourth Proportional to 2,790.16, 4,186 and 2,268.86

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Solution

The fourth proportional to 2,790.16, 4,186 and 2,268.86 is: 3,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.16 : 4,186 = 2,268.86 : x
  2. Step 2: Convert to fraction form
    2,790.16/4,186 = 2,268.86/x
  3. Step 3: Cross multiply
    2,790.16x = 4,186 × 2,268.86
  4. Step 4: Simplify right side
    2,790.16x = 9,497,447.96
  5. Step 5: Solve for x
    x = 9,497,447.96/2,790.16
  6. Step 6: Final answer
    x = 3,403.91

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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.