Home / 3,022.98-4,172.26-1,764.78

Finding the Fourth Proportional to 3,022.98, 4,172.26 and 1,764.78

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Solution

The fourth proportional to 3,022.98, 4,172.26 and 1,764.78 is: 2,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.98 : 4,172.26 = 1,764.78 : x
  2. Step 2: Convert to fraction form
    3,022.98/4,172.26 = 1,764.78/x
  3. Step 3: Cross multiply
    3,022.98x = 4,172.26 × 1,764.78
  4. Step 4: Simplify right side
    3,022.98x = 7,363,121.00
  5. Step 5: Solve for x
    x = 7,363,121.00/3,022.98
  6. Step 6: Final answer
    x = 2,435.72

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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.