Home / 3,788.60-5,683.82-1,191.54

Finding the Fourth Proportional to 3,788.60, 5,683.82 and 1,191.54

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Solution

The fourth proportional to 3,788.60, 5,683.82 and 1,191.54 is: 1,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.60 : 5,683.82 = 1,191.54 : x
  2. Step 2: Convert to fraction form
    3,788.60/5,683.82 = 1,191.54/x
  3. Step 3: Cross multiply
    3,788.60x = 5,683.82 × 1,191.54
  4. Step 4: Simplify right side
    3,788.60x = 6,772,492.93
  5. Step 5: Solve for x
    x = 6,772,492.93/3,788.60
  6. Step 6: Final answer
    x = 1,787.60

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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.