Home / 2,945.75-4,065.23-1,619.55

Finding the Fourth Proportional to 2,945.75, 4,065.23 and 1,619.55

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Solution

The fourth proportional to 2,945.75, 4,065.23 and 1,619.55 is: 2,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.75 : 4,065.23 = 1,619.55 : x
  2. Step 2: Convert to fraction form
    2,945.75/4,065.23 = 1,619.55/x
  3. Step 3: Cross multiply
    2,945.75x = 4,065.23 × 1,619.55
  4. Step 4: Simplify right side
    2,945.75x = 6,583,835.15
  5. Step 5: Solve for x
    x = 6,583,835.15/2,945.75
  6. Step 6: Final answer
    x = 2,235.03

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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.