Home / 3,109.04-4,662.44-1,028.66

Finding the Fourth Proportional to 3,109.04, 4,662.44 and 1,028.66

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Solution

The fourth proportional to 3,109.04, 4,662.44 and 1,028.66 is: 1,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.04 : 4,662.44 = 1,028.66 : x
  2. Step 2: Convert to fraction form
    3,109.04/4,662.44 = 1,028.66/x
  3. Step 3: Cross multiply
    3,109.04x = 4,662.44 × 1,028.66
  4. Step 4: Simplify right side
    3,109.04x = 4,796,065.53
  5. Step 5: Solve for x
    x = 4,796,065.53/3,109.04
  6. Step 6: Final answer
    x = 1,542.62

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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.