Home / 2,749.38-4,125.32-2,009.64

Finding the Fourth Proportional to 2,749.38, 4,125.32 and 2,009.64

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Solution

The fourth proportional to 2,749.38, 4,125.32 and 2,009.64 is: 3,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.38 : 4,125.32 = 2,009.64 : x
  2. Step 2: Convert to fraction form
    2,749.38/4,125.32 = 2,009.64/x
  3. Step 3: Cross multiply
    2,749.38x = 4,125.32 × 2,009.64
  4. Step 4: Simplify right side
    2,749.38x = 8,290,408.08
  5. Step 5: Solve for x
    x = 8,290,408.08/2,749.38
  6. Step 6: Final answer
    x = 3,015.37

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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.