Home / 2,945.63-4,065.12-1,619.33

Finding the Fourth Proportional to 2,945.63, 4,065.12 and 1,619.33

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Solution

The fourth proportional to 2,945.63, 4,065.12 and 1,619.33 is: 2,234.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.63 : 4,065.12 = 1,619.33 : x
  2. Step 2: Convert to fraction form
    2,945.63/4,065.12 = 1,619.33/x
  3. Step 3: Cross multiply
    2,945.63x = 4,065.12 × 1,619.33
  4. Step 4: Simplify right side
    2,945.63x = 6,582,750.44
  5. Step 5: Solve for x
    x = 6,582,750.44/2,945.63
  6. Step 6: Final answer
    x = 2,234.75

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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.