Home / 3,928.86-5,893.98-1,295.64

Finding the Fourth Proportional to 3,928.86, 5,893.98 and 1,295.64

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Solution

The fourth proportional to 3,928.86, 5,893.98 and 1,295.64 is: 1,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.86 : 5,893.98 = 1,295.64 : x
  2. Step 2: Convert to fraction form
    3,928.86/5,893.98 = 1,295.64/x
  3. Step 3: Cross multiply
    3,928.86x = 5,893.98 × 1,295.64
  4. Step 4: Simplify right side
    3,928.86x = 7,636,476.25
  5. Step 5: Solve for x
    x = 7,636,476.25/3,928.86
  6. Step 6: Final answer
    x = 1,943.69

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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.