Home / 3,835.98-5,749.38-1,984.32

Finding the Fourth Proportional to 3,835.98, 5,749.38 and 1,984.32

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Solution

The fourth proportional to 3,835.98, 5,749.38 and 1,984.32 is: 2,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.98 : 5,749.38 = 1,984.32 : x
  2. Step 2: Convert to fraction form
    3,835.98/5,749.38 = 1,984.32/x
  3. Step 3: Cross multiply
    3,835.98x = 5,749.38 × 1,984.32
  4. Step 4: Simplify right side
    3,835.98x = 11,408,609.72
  5. Step 5: Solve for x
    x = 11,408,609.72/3,835.98
  6. Step 6: Final answer
    x = 2,974.11

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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.