Home / 3,965.37-5,948.91-1,191.81

Finding the Fourth Proportional to 3,965.37, 5,948.91 and 1,191.81

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Solution

The fourth proportional to 3,965.37, 5,948.91 and 1,191.81 is: 1,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.37 : 5,948.91 = 1,191.81 : x
  2. Step 2: Convert to fraction form
    3,965.37/5,948.91 = 1,191.81/x
  3. Step 3: Cross multiply
    3,965.37x = 5,948.91 × 1,191.81
  4. Step 4: Simplify right side
    3,965.37x = 7,089,992.74
  5. Step 5: Solve for x
    x = 7,089,992.74/3,965.37
  6. Step 6: Final answer
    x = 1,787.98

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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.