Home / 3,702.80-5,540.30-2,216.56

Finding the Fourth Proportional to 3,702.80, 5,540.30 and 2,216.56

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Solution

The fourth proportional to 3,702.80, 5,540.30 and 2,216.56 is: 3,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.80 : 5,540.30 = 2,216.56 : x
  2. Step 2: Convert to fraction form
    3,702.80/5,540.30 = 2,216.56/x
  3. Step 3: Cross multiply
    3,702.80x = 5,540.30 × 2,216.56
  4. Step 4: Simplify right side
    3,702.80x = 12,280,407.37
  5. Step 5: Solve for x
    x = 12,280,407.37/3,702.80
  6. Step 6: Final answer
    x = 3,316.52

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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.