Home / 2,551.36-3,823.96-1,318.10

Finding the Fourth Proportional to 2,551.36, 3,823.96 and 1,318.10

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Solution

The fourth proportional to 2,551.36, 3,823.96 and 1,318.10 is: 1,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.36 : 3,823.96 = 1,318.10 : x
  2. Step 2: Convert to fraction form
    2,551.36/3,823.96 = 1,318.10/x
  3. Step 3: Cross multiply
    2,551.36x = 3,823.96 × 1,318.10
  4. Step 4: Simplify right side
    2,551.36x = 5,040,361.68
  5. Step 5: Solve for x
    x = 5,040,361.68/2,551.36
  6. Step 6: Final answer
    x = 1,975.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.