Home / 3,982.58-5,971.44-1,903.22

Finding the Fourth Proportional to 3,982.58, 5,971.44 and 1,903.22

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Solution

The fourth proportional to 3,982.58, 5,971.44 and 1,903.22 is: 2,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.58 : 5,971.44 = 1,903.22 : x
  2. Step 2: Convert to fraction form
    3,982.58/5,971.44 = 1,903.22/x
  3. Step 3: Cross multiply
    3,982.58x = 5,971.44 × 1,903.22
  4. Step 4: Simplify right side
    3,982.58x = 11,364,964.04
  5. Step 5: Solve for x
    x = 11,364,964.04/3,982.58
  6. Step 6: Final answer
    x = 2,853.67

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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.