Home / 3,213.16-4,819.74-1,133.33

Finding the Fourth Proportional to 3,213.16, 4,819.74 and 1,133.33

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Solution

The fourth proportional to 3,213.16, 4,819.74 and 1,133.33 is: 1,699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.16 : 4,819.74 = 1,133.33 : x
  2. Step 2: Convert to fraction form
    3,213.16/4,819.74 = 1,133.33/x
  3. Step 3: Cross multiply
    3,213.16x = 4,819.74 × 1,133.33
  4. Step 4: Simplify right side
    3,213.16x = 5,462,331.84
  5. Step 5: Solve for x
    x = 5,462,331.84/3,213.16
  6. Step 6: Final answer
    x = 1,699.99

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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.