Home / 2,209.26-3,048.84-1,214.60

Finding the Fourth Proportional to 2,209.26, 3,048.84 and 1,214.60

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Solution

The fourth proportional to 2,209.26, 3,048.84 and 1,214.60 is: 1,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.26 : 3,048.84 = 1,214.60 : x
  2. Step 2: Convert to fraction form
    2,209.26/3,048.84 = 1,214.60/x
  3. Step 3: Cross multiply
    2,209.26x = 3,048.84 × 1,214.60
  4. Step 4: Simplify right side
    2,209.26x = 3,703,121.06
  5. Step 5: Solve for x
    x = 3,703,121.06/2,209.26
  6. Step 6: Final answer
    x = 1,676.18

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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.