Home / 2,868.37-3,950.82-2,203.96

Finding the Fourth Proportional to 2,868.37, 3,950.82 and 2,203.96

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Solution

The fourth proportional to 2,868.37, 3,950.82 and 2,203.96 is: 3,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.37 : 3,950.82 = 2,203.96 : x
  2. Step 2: Convert to fraction form
    2,868.37/3,950.82 = 2,203.96/x
  3. Step 3: Cross multiply
    2,868.37x = 3,950.82 × 2,203.96
  4. Step 4: Simplify right side
    2,868.37x = 8,707,449.25
  5. Step 5: Solve for x
    x = 8,707,449.25/2,868.37
  6. Step 6: Final answer
    x = 3,035.68

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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.