Home / 3,993.28-5,990.75-1,360.58

Finding the Fourth Proportional to 3,993.28, 5,990.75 and 1,360.58

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Solution

The fourth proportional to 3,993.28, 5,990.75 and 1,360.58 is: 2,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.28 : 5,990.75 = 1,360.58 : x
  2. Step 2: Convert to fraction form
    3,993.28/5,990.75 = 1,360.58/x
  3. Step 3: Cross multiply
    3,993.28x = 5,990.75 × 1,360.58
  4. Step 4: Simplify right side
    3,993.28x = 8,150,868.08
  5. Step 5: Solve for x
    x = 8,150,868.08/3,993.28
  6. Step 6: Final answer
    x = 2,041.15

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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.