Home / 3,185.39-4,391.07-2,238.23

Finding the Fourth Proportional to 3,185.39, 4,391.07 and 2,238.23

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Solution

The fourth proportional to 3,185.39, 4,391.07 and 2,238.23 is: 3,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.39 : 4,391.07 = 2,238.23 : x
  2. Step 2: Convert to fraction form
    3,185.39/4,391.07 = 2,238.23/x
  3. Step 3: Cross multiply
    3,185.39x = 4,391.07 × 2,238.23
  4. Step 4: Simplify right side
    3,185.39x = 9,828,224.61
  5. Step 5: Solve for x
    x = 9,828,224.61/3,185.39
  6. Step 6: Final answer
    x = 3,085.41

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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.