Home / 2,763.38-3,813.49-1,584.44

Finding the Fourth Proportional to 2,763.38, 3,813.49 and 1,584.44

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Solution

The fourth proportional to 2,763.38, 3,813.49 and 1,584.44 is: 2,186.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.38 : 3,813.49 = 1,584.44 : x
  2. Step 2: Convert to fraction form
    2,763.38/3,813.49 = 1,584.44/x
  3. Step 3: Cross multiply
    2,763.38x = 3,813.49 × 1,584.44
  4. Step 4: Simplify right side
    2,763.38x = 6,042,246.10
  5. Step 5: Solve for x
    x = 6,042,246.10/2,763.38
  6. Step 6: Final answer
    x = 2,186.54

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1.5x scale

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.