Home / 3,078.98-4,619.97-1,433.55

Finding the Fourth Proportional to 3,078.98, 4,619.97 and 1,433.55

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Solution

The fourth proportional to 3,078.98, 4,619.97 and 1,433.55 is: 2,151.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.98 : 4,619.97 = 1,433.55 : x
  2. Step 2: Convert to fraction form
    3,078.98/4,619.97 = 1,433.55/x
  3. Step 3: Cross multiply
    3,078.98x = 4,619.97 × 1,433.55
  4. Step 4: Simplify right side
    3,078.98x = 6,622,957.99
  5. Step 5: Solve for x
    x = 6,622,957.99/3,078.98
  6. Step 6: Final answer
    x = 2,151.03

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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.