Home / 3,212.51-4,819.70-1,104.66

Finding the Fourth Proportional to 3,212.51, 4,819.70 and 1,104.66

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Solution

The fourth proportional to 3,212.51, 4,819.70 and 1,104.66 is: 1,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.51 : 4,819.70 = 1,104.66 : x
  2. Step 2: Convert to fraction form
    3,212.51/4,819.70 = 1,104.66/x
  3. Step 3: Cross multiply
    3,212.51x = 4,819.70 × 1,104.66
  4. Step 4: Simplify right side
    3,212.51x = 5,324,129.80
  5. Step 5: Solve for x
    x = 5,324,129.80/3,212.51
  6. Step 6: Final answer
    x = 1,657.31

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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.