Home / 3,265.80-4,506.36-1,939.26

Finding the Fourth Proportional to 3,265.80, 4,506.36 and 1,939.26

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Solution

The fourth proportional to 3,265.80, 4,506.36 and 1,939.26 is: 2,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.80 : 4,506.36 = 1,939.26 : x
  2. Step 2: Convert to fraction form
    3,265.80/4,506.36 = 1,939.26/x
  3. Step 3: Cross multiply
    3,265.80x = 4,506.36 × 1,939.26
  4. Step 4: Simplify right side
    3,265.80x = 8,739,003.69
  5. Step 5: Solve for x
    x = 8,739,003.69/3,265.80
  6. Step 6: Final answer
    x = 2,675.92

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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.