Home / 3,828.65-5,741.56-1,362.81

Finding the Fourth Proportional to 3,828.65, 5,741.56 and 1,362.81

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Solution

The fourth proportional to 3,828.65, 5,741.56 and 1,362.81 is: 2,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.65 : 5,741.56 = 1,362.81 : x
  2. Step 2: Convert to fraction form
    3,828.65/5,741.56 = 1,362.81/x
  3. Step 3: Cross multiply
    3,828.65x = 5,741.56 × 1,362.81
  4. Step 4: Simplify right side
    3,828.65x = 7,824,657.09
  5. Step 5: Solve for x
    x = 7,824,657.09/3,828.65
  6. Step 6: Final answer
    x = 2,043.71

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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.