Home / 2,794.12-4,160.80-2,763.44

Finding the Fourth Proportional to 2,794.12, 4,160.80 and 2,763.44

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Solution

The fourth proportional to 2,794.12, 4,160.80 and 2,763.44 is: 4,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.12 : 4,160.80 = 2,763.44 : x
  2. Step 2: Convert to fraction form
    2,794.12/4,160.80 = 2,763.44/x
  3. Step 3: Cross multiply
    2,794.12x = 4,160.80 × 2,763.44
  4. Step 4: Simplify right side
    2,794.12x = 11,498,121.15
  5. Step 5: Solve for x
    x = 11,498,121.15/2,794.12
  6. Step 6: Final answer
    x = 4,115.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.