Home / 3,928.15-5,893.10-1,296.47

Finding the Fourth Proportional to 3,928.15, 5,893.10 and 1,296.47

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Solution

The fourth proportional to 3,928.15, 5,893.10 and 1,296.47 is: 1,944.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.15 : 5,893.10 = 1,296.47 : x
  2. Step 2: Convert to fraction form
    3,928.15/5,893.10 = 1,296.47/x
  3. Step 3: Cross multiply
    3,928.15x = 5,893.10 × 1,296.47
  4. Step 4: Simplify right side
    3,928.15x = 7,640,220.25
  5. Step 5: Solve for x
    x = 7,640,220.25/3,928.15
  6. Step 6: Final answer
    x = 1,944.99

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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.