Home / 3,921.06-5,881.59-1,324.08

Finding the Fourth Proportional to 3,921.06, 5,881.59 and 1,324.08

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Solution

The fourth proportional to 3,921.06, 5,881.59 and 1,324.08 is: 1,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.06 : 5,881.59 = 1,324.08 : x
  2. Step 2: Convert to fraction form
    3,921.06/5,881.59 = 1,324.08/x
  3. Step 3: Cross multiply
    3,921.06x = 5,881.59 × 1,324.08
  4. Step 4: Simplify right side
    3,921.06x = 7,787,695.69
  5. Step 5: Solve for x
    x = 7,787,695.69/3,921.06
  6. Step 6: Final answer
    x = 1,986.12

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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.