Home / 2,092.26-3,138.86-1,214.52

Finding the Fourth Proportional to 2,092.26, 3,138.86 and 1,214.52

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Solution

The fourth proportional to 2,092.26, 3,138.86 and 1,214.52 is: 1,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.26 : 3,138.86 = 1,214.52 : x
  2. Step 2: Convert to fraction form
    2,092.26/3,138.86 = 1,214.52/x
  3. Step 3: Cross multiply
    2,092.26x = 3,138.86 × 1,214.52
  4. Step 4: Simplify right side
    2,092.26x = 3,812,208.25
  5. Step 5: Solve for x
    x = 3,812,208.25/2,092.26
  6. Step 6: Final answer
    x = 1,822.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.