Home / 3,702.25-5,109.11-2,305

Finding the Fourth Proportional to 3,702.25, 5,109.11 and 2,305

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Solution

The fourth proportional to 3,702.25, 5,109.11 and 2,305 is: 3,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.25 : 5,109.11 = 2,305 : x
  2. Step 2: Convert to fraction form
    3,702.25/5,109.11 = 2,305/x
  3. Step 3: Cross multiply
    3,702.25x = 5,109.11 × 2,305
  4. Step 4: Simplify right side
    3,702.25x = 11,776,498.55
  5. Step 5: Solve for x
    x = 11,776,498.55/3,702.25
  6. Step 6: Final answer
    x = 3,180.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.