Home / 2,838.24-3,918.66-2,538.54

Finding the Fourth Proportional to 2,838.24, 3,918.66 and 2,538.54

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Solution

The fourth proportional to 2,838.24, 3,918.66 and 2,538.54 is: 3,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.24 : 3,918.66 = 2,538.54 : x
  2. Step 2: Convert to fraction form
    2,838.24/3,918.66 = 2,538.54/x
  3. Step 3: Cross multiply
    2,838.24x = 3,918.66 × 2,538.54
  4. Step 4: Simplify right side
    2,838.24x = 9,947,675.16
  5. Step 5: Solve for x
    x = 9,947,675.16/2,838.24
  6. Step 6: Final answer
    x = 3,504.87

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Why These Related Problems?

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