Home / 3,202.24-4,803.31-1,121.66

Finding the Fourth Proportional to 3,202.24, 4,803.31 and 1,121.66

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Solution

The fourth proportional to 3,202.24, 4,803.31 and 1,121.66 is: 1,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.24 : 4,803.31 = 1,121.66 : x
  2. Step 2: Convert to fraction form
    3,202.24/4,803.31 = 1,121.66/x
  3. Step 3: Cross multiply
    3,202.24x = 4,803.31 × 1,121.66
  4. Step 4: Simplify right side
    3,202.24x = 5,387,675.09
  5. Step 5: Solve for x
    x = 5,387,675.09/3,202.24
  6. Step 6: Final answer
    x = 1,682.47

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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.