Home / 3,161.03-4,740.32-1,213.38

Finding the Fourth Proportional to 3,161.03, 4,740.32 and 1,213.38

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Solution

The fourth proportional to 3,161.03, 4,740.32 and 1,213.38 is: 1,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.03 : 4,740.32 = 1,213.38 : x
  2. Step 2: Convert to fraction form
    3,161.03/4,740.32 = 1,213.38/x
  3. Step 3: Cross multiply
    3,161.03x = 4,740.32 × 1,213.38
  4. Step 4: Simplify right side
    3,161.03x = 5,751,812.52
  5. Step 5: Solve for x
    x = 5,751,812.52/3,161.03
  6. Step 6: Final answer
    x = 1,819.60

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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.