Home / 3,828.77-5,743.35-1,055.38

Finding the Fourth Proportional to 3,828.77, 5,743.35 and 1,055.38

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Solution

The fourth proportional to 3,828.77, 5,743.35 and 1,055.38 is: 1,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.77 : 5,743.35 = 1,055.38 : x
  2. Step 2: Convert to fraction form
    3,828.77/5,743.35 = 1,055.38/x
  3. Step 3: Cross multiply
    3,828.77x = 5,743.35 × 1,055.38
  4. Step 4: Simplify right side
    3,828.77x = 6,061,414.08
  5. Step 5: Solve for x
    x = 6,061,414.08/3,828.77
  6. Step 6: Final answer
    x = 1,583.12

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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.