Home / 2,209.25-3,048.00-1,369.65

Finding the Fourth Proportional to 2,209.25, 3,048.00 and 1,369.65

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Solution

The fourth proportional to 2,209.25, 3,048.00 and 1,369.65 is: 1,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.25 : 3,048.00 = 1,369.65 : x
  2. Step 2: Convert to fraction form
    2,209.25/3,048.00 = 1,369.65/x
  3. Step 3: Cross multiply
    2,209.25x = 3,048.00 × 1,369.65
  4. Step 4: Simplify right side
    2,209.25x = 4,174,690.05
  5. Step 5: Solve for x
    x = 4,174,690.05/2,209.25
  6. Step 6: Final answer
    x = 1,889.64

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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.