Home / 2,180.03-3,270.27-698.73

Finding the Fourth Proportional to 2,180.03, 3,270.27 and 698.73

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Solution

The fourth proportional to 2,180.03, 3,270.27 and 698.73 is: 1,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.03 : 3,270.27 = 698.73 : x
  2. Step 2: Convert to fraction form
    2,180.03/3,270.27 = 698.73/x
  3. Step 3: Cross multiply
    2,180.03x = 3,270.27 × 698.73
  4. Step 4: Simplify right side
    2,180.03x = 2,285,035.76
  5. Step 5: Solve for x
    x = 2,285,035.76/2,180.03
  6. Step 6: Final answer
    x = 1,048.17

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1.5x scale

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.