Home / 2,945.27-4,064.49-1,619.06

Finding the Fourth Proportional to 2,945.27, 4,064.49 and 1,619.06

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Solution

The fourth proportional to 2,945.27, 4,064.49 and 1,619.06 is: 2,234.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.27 : 4,064.49 = 1,619.06 : x
  2. Step 2: Convert to fraction form
    2,945.27/4,064.49 = 1,619.06/x
  3. Step 3: Cross multiply
    2,945.27x = 4,064.49 × 1,619.06
  4. Step 4: Simplify right side
    2,945.27x = 6,580,659.16
  5. Step 5: Solve for x
    x = 6,580,659.16/2,945.27
  6. Step 6: Final answer
    x = 2,234.31

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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.