Home / 4,257.75-6,389.07-1,949.25

Finding the Fourth Proportional to 4,257.75, 6,389.07 and 1,949.25

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Solution

The fourth proportional to 4,257.75, 6,389.07 and 1,949.25 is: 2,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.75 : 6,389.07 = 1,949.25 : x
  2. Step 2: Convert to fraction form
    4,257.75/6,389.07 = 1,949.25/x
  3. Step 3: Cross multiply
    4,257.75x = 6,389.07 × 1,949.25
  4. Step 4: Simplify right side
    4,257.75x = 12,453,894.70
  5. Step 5: Solve for x
    x = 12,453,894.70/4,257.75
  6. Step 6: Final answer
    x = 2,924.99

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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.