Home / 3,203.20-4,807.14-2,109.88

Finding the Fourth Proportional to 3,203.20, 4,807.14 and 2,109.88

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Solution

The fourth proportional to 3,203.20, 4,807.14 and 2,109.88 is: 3,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.20 : 4,807.14 = 2,109.88 : x
  2. Step 2: Convert to fraction form
    3,203.20/4,807.14 = 2,109.88/x
  3. Step 3: Cross multiply
    3,203.20x = 4,807.14 × 2,109.88
  4. Step 4: Simplify right side
    3,203.20x = 10,142,488.54
  5. Step 5: Solve for x
    x = 10,142,488.54/3,203.20
  6. Step 6: Final answer
    x = 3,166.36

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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.