Home / 3,922.77-5,884.88-1,290.43

Finding the Fourth Proportional to 3,922.77, 5,884.88 and 1,290.43

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Solution

The fourth proportional to 3,922.77, 5,884.88 and 1,290.43 is: 1,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.77 : 5,884.88 = 1,290.43 : x
  2. Step 2: Convert to fraction form
    3,922.77/5,884.88 = 1,290.43/x
  3. Step 3: Cross multiply
    3,922.77x = 5,884.88 × 1,290.43
  4. Step 4: Simplify right side
    3,922.77x = 7,593,996.27
  5. Step 5: Solve for x
    x = 7,593,996.27/3,922.77
  6. Step 6: Final answer
    x = 1,935.88

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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.