Home / 2,208.98-3,048.34-1,200.66

Finding the Fourth Proportional to 2,208.98, 3,048.34 and 1,200.66

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Solution

The fourth proportional to 2,208.98, 3,048.34 and 1,200.66 is: 1,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.98 : 3,048.34 = 1,200.66 : x
  2. Step 2: Convert to fraction form
    2,208.98/3,048.34 = 1,200.66/x
  3. Step 3: Cross multiply
    2,208.98x = 3,048.34 × 1,200.66
  4. Step 4: Simplify right side
    2,208.98x = 3,660,013.90
  5. Step 5: Solve for x
    x = 3,660,013.90/2,208.98
  6. Step 6: Final answer
    x = 1,656.88

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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.