Home / 3,074.97-4,608.95-1,319.43

Finding the Fourth Proportional to 3,074.97, 4,608.95 and 1,319.43

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Solution

The fourth proportional to 3,074.97, 4,608.95 and 1,319.43 is: 1,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.97 : 4,608.95 = 1,319.43 : x
  2. Step 2: Convert to fraction form
    3,074.97/4,608.95 = 1,319.43/x
  3. Step 3: Cross multiply
    3,074.97x = 4,608.95 × 1,319.43
  4. Step 4: Simplify right side
    3,074.97x = 6,081,180.30
  5. Step 5: Solve for x
    x = 6,081,180.30/3,074.97
  6. Step 6: Final answer
    x = 1,977.64

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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.