Home / 3,921.88-5,884.60-1,949.47

Finding the Fourth Proportional to 3,921.88, 5,884.60 and 1,949.47

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Solution

The fourth proportional to 3,921.88, 5,884.60 and 1,949.47 is: 2,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.88 : 5,884.60 = 1,949.47 : x
  2. Step 2: Convert to fraction form
    3,921.88/5,884.60 = 1,949.47/x
  3. Step 3: Cross multiply
    3,921.88x = 5,884.60 × 1,949.47
  4. Step 4: Simplify right side
    3,921.88x = 11,471,851.16
  5. Step 5: Solve for x
    x = 11,471,851.16/3,921.88
  6. Step 6: Final answer
    x = 2,925.09

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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.