Home / 2,815.67-4,225.26-1,354.97

Finding the Fourth Proportional to 2,815.67, 4,225.26 and 1,354.97

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Solution

The fourth proportional to 2,815.67, 4,225.26 and 1,354.97 is: 2,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.67 : 4,225.26 = 1,354.97 : x
  2. Step 2: Convert to fraction form
    2,815.67/4,225.26 = 1,354.97/x
  3. Step 3: Cross multiply
    2,815.67x = 4,225.26 × 1,354.97
  4. Step 4: Simplify right side
    2,815.67x = 5,725,100.54
  5. Step 5: Solve for x
    x = 5,725,100.54/2,815.67
  6. Step 6: Final answer
    x = 2,033.30

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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.