Home / 3,788.35-5,683.15-1,191.13

Finding the Fourth Proportional to 3,788.35, 5,683.15 and 1,191.13

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Solution

The fourth proportional to 3,788.35, 5,683.15 and 1,191.13 is: 1,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.35 : 5,683.15 = 1,191.13 : x
  2. Step 2: Convert to fraction form
    3,788.35/5,683.15 = 1,191.13/x
  3. Step 3: Cross multiply
    3,788.35x = 5,683.15 × 1,191.13
  4. Step 4: Simplify right side
    3,788.35x = 6,769,370.46
  5. Step 5: Solve for x
    x = 6,769,370.46/3,788.35
  6. Step 6: Final answer
    x = 1,786.89

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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.