Home / 3,462.53-5,192.61-1,121.90

Finding the Fourth Proportional to 3,462.53, 5,192.61 and 1,121.90

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Solution

The fourth proportional to 3,462.53, 5,192.61 and 1,121.90 is: 1,682.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.53 : 5,192.61 = 1,121.90 : x
  2. Step 2: Convert to fraction form
    3,462.53/5,192.61 = 1,121.90/x
  3. Step 3: Cross multiply
    3,462.53x = 5,192.61 × 1,121.90
  4. Step 4: Simplify right side
    3,462.53x = 5,825,563.20
  5. Step 5: Solve for x
    x = 5,825,563.20/3,462.53
  6. Step 6: Final answer
    x = 1,682.46

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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.