Home / 2,553.29-3,814.41-1,621.38

Finding the Fourth Proportional to 2,553.29, 3,814.41 and 1,621.38

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Solution

The fourth proportional to 2,553.29, 3,814.41 and 1,621.38 is: 2,422.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.29 : 3,814.41 = 1,621.38 : x
  2. Step 2: Convert to fraction form
    2,553.29/3,814.41 = 1,621.38/x
  3. Step 3: Cross multiply
    2,553.29x = 3,814.41 × 1,621.38
  4. Step 4: Simplify right side
    2,553.29x = 6,184,608.09
  5. Step 5: Solve for x
    x = 6,184,608.09/2,553.29
  6. Step 6: Final answer
    x = 2,422.22

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.