Home / 2,855.33-4,280.92-1,928.59

Finding the Fourth Proportional to 2,855.33, 4,280.92 and 1,928.59

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Solution

The fourth proportional to 2,855.33, 4,280.92 and 1,928.59 is: 2,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.33 : 4,280.92 = 1,928.59 : x
  2. Step 2: Convert to fraction form
    2,855.33/4,280.92 = 1,928.59/x
  3. Step 3: Cross multiply
    2,855.33x = 4,280.92 × 1,928.59
  4. Step 4: Simplify right side
    2,855.33x = 8,256,108.46
  5. Step 5: Solve for x
    x = 8,256,108.46/2,855.33
  6. Step 6: Final answer
    x = 2,891.48

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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.