Home / 2,781.03-3,837.38-1,601.88

Finding the Fourth Proportional to 2,781.03, 3,837.38 and 1,601.88

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Solution

The fourth proportional to 2,781.03, 3,837.38 and 1,601.88 is: 2,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.03 : 3,837.38 = 1,601.88 : x
  2. Step 2: Convert to fraction form
    2,781.03/3,837.38 = 1,601.88/x
  3. Step 3: Cross multiply
    2,781.03x = 3,837.38 × 1,601.88
  4. Step 4: Simplify right side
    2,781.03x = 6,146,999.87
  5. Step 5: Solve for x
    x = 6,146,999.87/2,781.03
  6. Step 6: Final answer
    x = 2,210.33

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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.