Home / 3,231.94-4,461.19-1,905.56

Finding the Fourth Proportional to 3,231.94, 4,461.19 and 1,905.56

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Solution

The fourth proportional to 3,231.94, 4,461.19 and 1,905.56 is: 2,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.94 : 4,461.19 = 1,905.56 : x
  2. Step 2: Convert to fraction form
    3,231.94/4,461.19 = 1,905.56/x
  3. Step 3: Cross multiply
    3,231.94x = 4,461.19 × 1,905.56
  4. Step 4: Simplify right side
    3,231.94x = 8,501,065.22
  5. Step 5: Solve for x
    x = 8,501,065.22/3,231.94
  6. Step 6: Final answer
    x = 2,630.33

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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.