Home / 2,293.44-3,163.31-2,105.00

Finding the Fourth Proportional to 2,293.44, 3,163.31 and 2,105.00

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Solution

The fourth proportional to 2,293.44, 3,163.31 and 2,105.00 is: 2,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.44 : 3,163.31 = 2,105.00 : x
  2. Step 2: Convert to fraction form
    2,293.44/3,163.31 = 2,105.00/x
  3. Step 3: Cross multiply
    2,293.44x = 3,163.31 × 2,105.00
  4. Step 4: Simplify right side
    2,293.44x = 6,658,741.21
  5. Step 5: Solve for x
    x = 6,658,741.21/2,293.44
  6. Step 6: Final answer
    x = 2,903.39

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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.