Home / 3,442.02-5,163.82-1,220.73

Finding the Fourth Proportional to 3,442.02, 5,163.82 and 1,220.73

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Solution

The fourth proportional to 3,442.02, 5,163.82 and 1,220.73 is: 1,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.02 : 5,163.82 = 1,220.73 : x
  2. Step 2: Convert to fraction form
    3,442.02/5,163.82 = 1,220.73/x
  3. Step 3: Cross multiply
    3,442.02x = 5,163.82 × 1,220.73
  4. Step 4: Simplify right side
    3,442.02x = 6,303,623.88
  5. Step 5: Solve for x
    x = 6,303,623.88/3,442.02
  6. Step 6: Final answer
    x = 1,831.38

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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.