Home / 3,690.03-5,092.26-2,118

Finding the Fourth Proportional to 3,690.03, 5,092.26 and 2,118

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Solution

The fourth proportional to 3,690.03, 5,092.26 and 2,118 is: 2,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.03 : 5,092.26 = 2,118 : x
  2. Step 2: Convert to fraction form
    3,690.03/5,092.26 = 2,118/x
  3. Step 3: Cross multiply
    3,690.03x = 5,092.26 × 2,118
  4. Step 4: Simplify right side
    3,690.03x = 10,785,406.68
  5. Step 5: Solve for x
    x = 10,785,406.68/3,690.03
  6. Step 6: Final answer
    x = 2,922.85

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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.