Home / 3,928.98-5,894.34-1,296.38

Finding the Fourth Proportional to 3,928.98, 5,894.34 and 1,296.38

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Solution

The fourth proportional to 3,928.98, 5,894.34 and 1,296.38 is: 1,944.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.98 : 5,894.34 = 1,296.38 : x
  2. Step 2: Convert to fraction form
    3,928.98/5,894.34 = 1,296.38/x
  3. Step 3: Cross multiply
    3,928.98x = 5,894.34 × 1,296.38
  4. Step 4: Simplify right side
    3,928.98x = 7,641,304.49
  5. Step 5: Solve for x
    x = 7,641,304.49/3,928.98
  6. Step 6: Final answer
    x = 1,944.86

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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.