Home / 3,217.78-4,830.09-2,849.98

Finding the Fourth Proportional to 3,217.78, 4,830.09 and 2,849.98

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Solution

The fourth proportional to 3,217.78, 4,830.09 and 2,849.98 is: 4,277.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.78 : 4,830.09 = 2,849.98 : x
  2. Step 2: Convert to fraction form
    3,217.78/4,830.09 = 2,849.98/x
  3. Step 3: Cross multiply
    3,217.78x = 4,830.09 × 2,849.98
  4. Step 4: Simplify right side
    3,217.78x = 13,765,640.01
  5. Step 5: Solve for x
    x = 13,765,640.01/3,217.78
  6. Step 6: Final answer
    x = 4,277.99

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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.