Home / 3,133.87-4,323.21-2,636.33

Finding the Fourth Proportional to 3,133.87, 4,323.21 and 2,636.33

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Solution

The fourth proportional to 3,133.87, 4,323.21 and 2,636.33 is: 3,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.87 : 4,323.21 = 2,636.33 : x
  2. Step 2: Convert to fraction form
    3,133.87/4,323.21 = 2,636.33/x
  3. Step 3: Cross multiply
    3,133.87x = 4,323.21 × 2,636.33
  4. Step 4: Simplify right side
    3,133.87x = 11,397,376.72
  5. Step 5: Solve for x
    x = 11,397,376.72/3,133.87
  6. Step 6: Final answer
    x = 3,636.84

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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.