Home / 3,211.06-4,810.92-2,235.28

Finding the Fourth Proportional to 3,211.06, 4,810.92 and 2,235.28

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Solution

The fourth proportional to 3,211.06, 4,810.92 and 2,235.28 is: 3,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.06 : 4,810.92 = 2,235.28 : x
  2. Step 2: Convert to fraction form
    3,211.06/4,810.92 = 2,235.28/x
  3. Step 3: Cross multiply
    3,211.06x = 4,810.92 × 2,235.28
  4. Step 4: Simplify right side
    3,211.06x = 10,753,753.26
  5. Step 5: Solve for x
    x = 10,753,753.26/3,211.06
  6. Step 6: Final answer
    x = 3,348.97

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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.