Home / 2,771.76-3,826.60-2,210.43

Finding the Fourth Proportional to 2,771.76, 3,826.60 and 2,210.43

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Solution

The fourth proportional to 2,771.76, 3,826.60 and 2,210.43 is: 3,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.76 : 3,826.60 = 2,210.43 : x
  2. Step 2: Convert to fraction form
    2,771.76/3,826.60 = 2,210.43/x
  3. Step 3: Cross multiply
    2,771.76x = 3,826.60 × 2,210.43
  4. Step 4: Simplify right side
    2,771.76x = 8,458,425.91
  5. Step 5: Solve for x
    x = 8,458,425.91/2,771.76
  6. Step 6: Final answer
    x = 3,051.64

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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.