Home / 3,212.89-4,434-1,796.59

Finding the Fourth Proportional to 3,212.89, 4,434 and 1,796.59

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Solution

The fourth proportional to 3,212.89, 4,434 and 1,796.59 is: 2,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.89 : 4,434 = 1,796.59 : x
  2. Step 2: Convert to fraction form
    3,212.89/4,434 = 1,796.59/x
  3. Step 3: Cross multiply
    3,212.89x = 4,434 × 1,796.59
  4. Step 4: Simplify right side
    3,212.89x = 7,966,080.06
  5. Step 5: Solve for x
    x = 7,966,080.06/3,212.89
  6. Step 6: Final answer
    x = 2,479.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.