Home / 3,217.63-4,440.42-1,801.31

Finding the Fourth Proportional to 3,217.63, 4,440.42 and 1,801.31

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Solution

The fourth proportional to 3,217.63, 4,440.42 and 1,801.31 is: 2,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.63 : 4,440.42 = 1,801.31 : x
  2. Step 2: Convert to fraction form
    3,217.63/4,440.42 = 1,801.31/x
  3. Step 3: Cross multiply
    3,217.63x = 4,440.42 × 1,801.31
  4. Step 4: Simplify right side
    3,217.63x = 7,998,563.94
  5. Step 5: Solve for x
    x = 7,998,563.94/3,217.63
  6. Step 6: Final answer
    x = 2,485.86

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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.