Home / 3,788.21-5,683.08-1,190.54

Finding the Fourth Proportional to 3,788.21, 5,683.08 and 1,190.54

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Solution

The fourth proportional to 3,788.21, 5,683.08 and 1,190.54 is: 1,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.21 : 5,683.08 = 1,190.54 : x
  2. Step 2: Convert to fraction form
    3,788.21/5,683.08 = 1,190.54/x
  3. Step 3: Cross multiply
    3,788.21x = 5,683.08 × 1,190.54
  4. Step 4: Simplify right side
    3,788.21x = 6,765,934.06
  5. Step 5: Solve for x
    x = 6,765,934.06/3,788.21
  6. Step 6: Final answer
    x = 1,786.05

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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.