Home / 3,201.47-4,419.77-2,212.07

Finding the Fourth Proportional to 3,201.47, 4,419.77 and 2,212.07

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Solution

The fourth proportional to 3,201.47, 4,419.77 and 2,212.07 is: 3,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.47 : 4,419.77 = 2,212.07 : x
  2. Step 2: Convert to fraction form
    3,201.47/4,419.77 = 2,212.07/x
  3. Step 3: Cross multiply
    3,201.47x = 4,419.77 × 2,212.07
  4. Step 4: Simplify right side
    3,201.47x = 9,776,829.56
  5. Step 5: Solve for x
    x = 9,776,829.56/3,201.47
  6. Step 6: Final answer
    x = 3,053.86

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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.