Home / 2,768.06-4,171.19-2,508.05

Finding the Fourth Proportional to 2,768.06, 4,171.19 and 2,508.05

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Solution

The fourth proportional to 2,768.06, 4,171.19 and 2,508.05 is: 3,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.06 : 4,171.19 = 2,508.05 : x
  2. Step 2: Convert to fraction form
    2,768.06/4,171.19 = 2,508.05/x
  3. Step 3: Cross multiply
    2,768.06x = 4,171.19 × 2,508.05
  4. Step 4: Simplify right side
    2,768.06x = 10,461,550.97
  5. Step 5: Solve for x
    x = 10,461,550.97/2,768.06
  6. Step 6: Final answer
    x = 3,779.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.