Home / 3,788.26-5,683.30-1,191.20

Finding the Fourth Proportional to 3,788.26, 5,683.30 and 1,191.20

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Solution

The fourth proportional to 3,788.26, 5,683.30 and 1,191.20 is: 1,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.26 : 5,683.30 = 1,191.20 : x
  2. Step 2: Convert to fraction form
    3,788.26/5,683.30 = 1,191.20/x
  3. Step 3: Cross multiply
    3,788.26x = 5,683.30 × 1,191.20
  4. Step 4: Simplify right side
    3,788.26x = 6,769,918.54
  5. Step 5: Solve for x
    x = 6,769,918.54/3,788.26
  6. Step 6: Final answer
    x = 1,787.08

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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.