Home / 3,243.26-4,475.64-1,984.33

Finding the Fourth Proportional to 3,243.26, 4,475.64 and 1,984.33

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Solution

The fourth proportional to 3,243.26, 4,475.64 and 1,984.33 is: 2,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.26 : 4,475.64 = 1,984.33 : x
  2. Step 2: Convert to fraction form
    3,243.26/4,475.64 = 1,984.33/x
  3. Step 3: Cross multiply
    3,243.26x = 4,475.64 × 1,984.33
  4. Step 4: Simplify right side
    3,243.26x = 8,881,146.72
  5. Step 5: Solve for x
    x = 8,881,146.72/3,243.26
  6. Step 6: Final answer
    x = 2,738.34

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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.