Home / 2,780.30-3,837.22-1,601.14

Finding the Fourth Proportional to 2,780.30, 3,837.22 and 1,601.14

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Solution

The fourth proportional to 2,780.30, 3,837.22 and 1,601.14 is: 2,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780.30 : 3,837.22 = 1,601.14 : x
  2. Step 2: Convert to fraction form
    2,780.30/3,837.22 = 1,601.14/x
  3. Step 3: Cross multiply
    2,780.30x = 3,837.22 × 1,601.14
  4. Step 4: Simplify right side
    2,780.30x = 6,143,926.43
  5. Step 5: Solve for x
    x = 6,143,926.43/2,780.30
  6. Step 6: Final answer
    x = 2,209.81

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