Home / 2,976.12-4,463.70-1,028.28

Finding the Fourth Proportional to 2,976.12, 4,463.70 and 1,028.28

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Solution

The fourth proportional to 2,976.12, 4,463.70 and 1,028.28 is: 1,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.12 : 4,463.70 = 1,028.28 : x
  2. Step 2: Convert to fraction form
    2,976.12/4,463.70 = 1,028.28/x
  3. Step 3: Cross multiply
    2,976.12x = 4,463.70 × 1,028.28
  4. Step 4: Simplify right side
    2,976.12x = 4,589,933.44
  5. Step 5: Solve for x
    x = 4,589,933.44/2,976.12
  6. Step 6: Final answer
    x = 1,542.25

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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.