Home / 3,705.87-5,113.23-2,213.49

Finding the Fourth Proportional to 3,705.87, 5,113.23 and 2,213.49

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Solution

The fourth proportional to 3,705.87, 5,113.23 and 2,213.49 is: 3,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.87 : 5,113.23 = 2,213.49 : x
  2. Step 2: Convert to fraction form
    3,705.87/5,113.23 = 2,213.49/x
  3. Step 3: Cross multiply
    3,705.87x = 5,113.23 × 2,213.49
  4. Step 4: Simplify right side
    3,705.87x = 11,318,063.44
  5. Step 5: Solve for x
    x = 11,318,063.44/3,705.87
  6. Step 6: Final answer
    x = 3,054.09

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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.