Home / 3,068.20-4,236.42-2,137.96

Finding the Fourth Proportional to 3,068.20, 4,236.42 and 2,137.96

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Solution

The fourth proportional to 3,068.20, 4,236.42 and 2,137.96 is: 2,951.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.20 : 4,236.42 = 2,137.96 : x
  2. Step 2: Convert to fraction form
    3,068.20/4,236.42 = 2,137.96/x
  3. Step 3: Cross multiply
    3,068.20x = 4,236.42 × 2,137.96
  4. Step 4: Simplify right side
    3,068.20x = 9,057,296.50
  5. Step 5: Solve for x
    x = 9,057,296.50/3,068.20
  6. Step 6: Final answer
    x = 2,951.99

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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.