Home / 3,208.09-4,811.31-1,358.26

Finding the Fourth Proportional to 3,208.09, 4,811.31 and 1,358.26

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Solution

The fourth proportional to 3,208.09, 4,811.31 and 1,358.26 is: 2,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.09 : 4,811.31 = 1,358.26 : x
  2. Step 2: Convert to fraction form
    3,208.09/4,811.31 = 1,358.26/x
  3. Step 3: Cross multiply
    3,208.09x = 4,811.31 × 1,358.26
  4. Step 4: Simplify right side
    3,208.09x = 6,534,984.44
  5. Step 5: Solve for x
    x = 6,534,984.44/3,208.09
  6. Step 6: Final answer
    x = 2,037.03

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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.