Home / 3,744.39-5,611.56-1,896.81

Finding the Fourth Proportional to 3,744.39, 5,611.56 and 1,896.81

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Solution

The fourth proportional to 3,744.39, 5,611.56 and 1,896.81 is: 2,842.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.39 : 5,611.56 = 1,896.81 : x
  2. Step 2: Convert to fraction form
    3,744.39/5,611.56 = 1,896.81/x
  3. Step 3: Cross multiply
    3,744.39x = 5,611.56 × 1,896.81
  4. Step 4: Simplify right side
    3,744.39x = 10,644,063.12
  5. Step 5: Solve for x
    x = 10,644,063.12/3,744.39
  6. Step 6: Final answer
    x = 2,842.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.