Home / 3,702.93-5,112.18-2,763.90

Finding the Fourth Proportional to 3,702.93, 5,112.18 and 2,763.90

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Solution

The fourth proportional to 3,702.93, 5,112.18 and 2,763.90 is: 3,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.93 : 5,112.18 = 2,763.90 : x
  2. Step 2: Convert to fraction form
    3,702.93/5,112.18 = 2,763.90/x
  3. Step 3: Cross multiply
    3,702.93x = 5,112.18 × 2,763.90
  4. Step 4: Simplify right side
    3,702.93x = 14,129,554.30
  5. Step 5: Solve for x
    x = 14,129,554.30/3,702.93
  6. Step 6: Final answer
    x = 3,815.78

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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.