Home / 3,213.07-4,819.74-1,021.58

Finding the Fourth Proportional to 3,213.07, 4,819.74 and 1,021.58

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Solution

The fourth proportional to 3,213.07, 4,819.74 and 1,021.58 is: 1,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.07 : 4,819.74 = 1,021.58 : x
  2. Step 2: Convert to fraction form
    3,213.07/4,819.74 = 1,021.58/x
  3. Step 3: Cross multiply
    3,213.07x = 4,819.74 × 1,021.58
  4. Step 4: Simplify right side
    3,213.07x = 4,923,740.13
  5. Step 5: Solve for x
    x = 4,923,740.13/3,213.07
  6. Step 6: Final answer
    x = 1,532.41

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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.