Home / 2,764.22-4,146.30-1,120.77

Finding the Fourth Proportional to 2,764.22, 4,146.30 and 1,120.77

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Solution

The fourth proportional to 2,764.22, 4,146.30 and 1,120.77 is: 1,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.22 : 4,146.30 = 1,120.77 : x
  2. Step 2: Convert to fraction form
    2,764.22/4,146.30 = 1,120.77/x
  3. Step 3: Cross multiply
    2,764.22x = 4,146.30 × 1,120.77
  4. Step 4: Simplify right side
    2,764.22x = 4,647,048.65
  5. Step 5: Solve for x
    x = 4,647,048.65/2,764.22
  6. Step 6: Final answer
    x = 1,681.15

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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.