Home / 2,730.80-3,768.36-1,682.48

Finding the Fourth Proportional to 2,730.80, 3,768.36 and 1,682.48

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Solution

The fourth proportional to 2,730.80, 3,768.36 and 1,682.48 is: 2,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.80 : 3,768.36 = 1,682.48 : x
  2. Step 2: Convert to fraction form
    2,730.80/3,768.36 = 1,682.48/x
  3. Step 3: Cross multiply
    2,730.80x = 3,768.36 × 1,682.48
  4. Step 4: Simplify right side
    2,730.80x = 6,340,190.33
  5. Step 5: Solve for x
    x = 6,340,190.33/2,730.80
  6. Step 6: Final answer
    x = 2,321.73

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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.