Home / 2,208.92-3,048.31-1,214.26

Finding the Fourth Proportional to 2,208.92, 3,048.31 and 1,214.26

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Solution

The fourth proportional to 2,208.92, 3,048.31 and 1,214.26 is: 1,675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.92 : 3,048.31 = 1,214.26 : x
  2. Step 2: Convert to fraction form
    2,208.92/3,048.31 = 1,214.26/x
  3. Step 3: Cross multiply
    2,208.92x = 3,048.31 × 1,214.26
  4. Step 4: Simplify right side
    2,208.92x = 3,701,441.68
  5. Step 5: Solve for x
    x = 3,701,441.68/2,208.92
  6. Step 6: Final answer
    x = 1,675.68

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Double scale
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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.