Home / 2,249.80-3,104.03-1,305.26

Finding the Fourth Proportional to 2,249.80, 3,104.03 and 1,305.26

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Solution

The fourth proportional to 2,249.80, 3,104.03 and 1,305.26 is: 1,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.80 : 3,104.03 = 1,305.26 : x
  2. Step 2: Convert to fraction form
    2,249.80/3,104.03 = 1,305.26/x
  3. Step 3: Cross multiply
    2,249.80x = 3,104.03 × 1,305.26
  4. Step 4: Simplify right side
    2,249.80x = 4,051,566.20
  5. Step 5: Solve for x
    x = 4,051,566.20/2,249.80
  6. Step 6: Final answer
    x = 1,800.86

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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.