Home / 2,738.94-3,779.37-1,619.94

Finding the Fourth Proportional to 2,738.94, 3,779.37 and 1,619.94

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Solution

The fourth proportional to 2,738.94, 3,779.37 and 1,619.94 is: 2,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.94 : 3,779.37 = 1,619.94 : x
  2. Step 2: Convert to fraction form
    2,738.94/3,779.37 = 1,619.94/x
  3. Step 3: Cross multiply
    2,738.94x = 3,779.37 × 1,619.94
  4. Step 4: Simplify right side
    2,738.94x = 6,122,352.64
  5. Step 5: Solve for x
    x = 6,122,352.64/2,738.94
  6. Step 6: Final answer
    x = 2,235.30

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1.5x scale

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.