Home / 3,972.06-5,955.96-1,338.69

Finding the Fourth Proportional to 3,972.06, 5,955.96 and 1,338.69

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Solution

The fourth proportional to 3,972.06, 5,955.96 and 1,338.69 is: 2,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.06 : 5,955.96 = 1,338.69 : x
  2. Step 2: Convert to fraction form
    3,972.06/5,955.96 = 1,338.69/x
  3. Step 3: Cross multiply
    3,972.06x = 5,955.96 × 1,338.69
  4. Step 4: Simplify right side
    3,972.06x = 7,973,184.09
  5. Step 5: Solve for x
    x = 7,973,184.09/3,972.06
  6. Step 6: Final answer
    x = 2,007.32

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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.