Home / 3,071.85-4,236.23-2,009.27

Finding the Fourth Proportional to 3,071.85, 4,236.23 and 2,009.27

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Solution

The fourth proportional to 3,071.85, 4,236.23 and 2,009.27 is: 2,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.85 : 4,236.23 = 2,009.27 : x
  2. Step 2: Convert to fraction form
    3,071.85/4,236.23 = 2,009.27/x
  3. Step 3: Cross multiply
    3,071.85x = 4,236.23 × 2,009.27
  4. Step 4: Simplify right side
    3,071.85x = 8,511,698.62
  5. Step 5: Solve for x
    x = 8,511,698.62/3,071.85
  6. Step 6: Final answer
    x = 2,770.87

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1.5x scale

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.