Home / 3,993.23-5,990.04-1,219.92

Finding the Fourth Proportional to 3,993.23, 5,990.04 and 1,219.92

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Solution

The fourth proportional to 3,993.23, 5,990.04 and 1,219.92 is: 1,829.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.23 : 5,990.04 = 1,219.92 : x
  2. Step 2: Convert to fraction form
    3,993.23/5,990.04 = 1,219.92/x
  3. Step 3: Cross multiply
    3,993.23x = 5,990.04 × 1,219.92
  4. Step 4: Simplify right side
    3,993.23x = 7,307,369.60
  5. Step 5: Solve for x
    x = 7,307,369.60/3,993.23
  6. Step 6: Final answer
    x = 1,829.94

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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.