Home / 3,211.98-4,813.92-2,736.78

Finding the Fourth Proportional to 3,211.98, 4,813.92 and 2,736.78

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Solution

The fourth proportional to 3,211.98, 4,813.92 and 2,736.78 is: 4,101.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.98 : 4,813.92 = 2,736.78 : x
  2. Step 2: Convert to fraction form
    3,211.98/4,813.92 = 2,736.78/x
  3. Step 3: Cross multiply
    3,211.98x = 4,813.92 × 2,736.78
  4. Step 4: Simplify right side
    3,211.98x = 13,174,639.98
  5. Step 5: Solve for x
    x = 13,174,639.98/3,211.98
  6. Step 6: Final answer
    x = 4,101.72

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1.5x scale

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.