Home / 3,958.04-5,938.39-1,325.81

Finding the Fourth Proportional to 3,958.04, 5,938.39 and 1,325.81

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Solution

The fourth proportional to 3,958.04, 5,938.39 and 1,325.81 is: 1,989.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.04 : 5,938.39 = 1,325.81 : x
  2. Step 2: Convert to fraction form
    3,958.04/5,938.39 = 1,325.81/x
  3. Step 3: Cross multiply
    3,958.04x = 5,938.39 × 1,325.81
  4. Step 4: Simplify right side
    3,958.04x = 7,873,185.44
  5. Step 5: Solve for x
    x = 7,873,185.44/3,958.04
  6. Step 6: Final answer
    x = 1,989.16

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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.