Home / 3,608-4,982.51-2,813.52

Finding the Fourth Proportional to 3,608, 4,982.51 and 2,813.52

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Solution

The fourth proportional to 3,608, 4,982.51 and 2,813.52 is: 3,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608 : 4,982.51 = 2,813.52 : x
  2. Step 2: Convert to fraction form
    3,608/4,982.51 = 2,813.52/x
  3. Step 3: Cross multiply
    3,608x = 4,982.51 × 2,813.52
  4. Step 4: Simplify right side
    3,608x = 14,018,391.54
  5. Step 5: Solve for x
    x = 14,018,391.54/3,608
  6. Step 6: Final answer
    x = 3,885.36

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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.