Home / 3,218.37-4,823.82-1,483.35

Finding the Fourth Proportional to 3,218.37, 4,823.82 and 1,483.35

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Solution

The fourth proportional to 3,218.37, 4,823.82 and 1,483.35 is: 2,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.37 : 4,823.82 = 1,483.35 : x
  2. Step 2: Convert to fraction form
    3,218.37/4,823.82 = 1,483.35/x
  3. Step 3: Cross multiply
    3,218.37x = 4,823.82 × 1,483.35
  4. Step 4: Simplify right side
    3,218.37x = 7,155,413.40
  5. Step 5: Solve for x
    x = 7,155,413.40/3,218.37
  6. Step 6: Final answer
    x = 2,223.30

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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.