Home / 3,152.70-4,722.44-2,109.31

Finding the Fourth Proportional to 3,152.70, 4,722.44 and 2,109.31

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Solution

The fourth proportional to 3,152.70, 4,722.44 and 2,109.31 is: 3,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.70 : 4,722.44 = 2,109.31 : x
  2. Step 2: Convert to fraction form
    3,152.70/4,722.44 = 2,109.31/x
  3. Step 3: Cross multiply
    3,152.70x = 4,722.44 × 2,109.31
  4. Step 4: Simplify right side
    3,152.70x = 9,961,067.56
  5. Step 5: Solve for x
    x = 9,961,067.56/3,152.70
  6. Step 6: Final answer
    x = 3,159.54

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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.