Home / 2,233.26-3,081.65-1,238.45

Finding the Fourth Proportional to 2,233.26, 3,081.65 and 1,238.45

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Solution

The fourth proportional to 2,233.26, 3,081.65 and 1,238.45 is: 1,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.26 : 3,081.65 = 1,238.45 : x
  2. Step 2: Convert to fraction form
    2,233.26/3,081.65 = 1,238.45/x
  3. Step 3: Cross multiply
    2,233.26x = 3,081.65 × 1,238.45
  4. Step 4: Simplify right side
    2,233.26x = 3,816,447.84
  5. Step 5: Solve for x
    x = 3,816,447.84/2,233.26
  6. Step 6: Final answer
    x = 1,708.91

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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.