Home / 3,305.21-4,561.23-1,889.09

Finding the Fourth Proportional to 3,305.21, 4,561.23 and 1,889.09

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Solution

The fourth proportional to 3,305.21, 4,561.23 and 1,889.09 is: 2,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.21 : 4,561.23 = 1,889.09 : x
  2. Step 2: Convert to fraction form
    3,305.21/4,561.23 = 1,889.09/x
  3. Step 3: Cross multiply
    3,305.21x = 4,561.23 × 1,889.09
  4. Step 4: Simplify right side
    3,305.21x = 8,616,573.98
  5. Step 5: Solve for x
    x = 8,616,573.98/3,305.21
  6. Step 6: Final answer
    x = 2,606.97

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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.