Home / 2,249.63-3,103.99-1,305.58

Finding the Fourth Proportional to 2,249.63, 3,103.99 and 1,305.58

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Solution

The fourth proportional to 2,249.63, 3,103.99 and 1,305.58 is: 1,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.63 : 3,103.99 = 1,305.58 : x
  2. Step 2: Convert to fraction form
    2,249.63/3,103.99 = 1,305.58/x
  3. Step 3: Cross multiply
    2,249.63x = 3,103.99 × 1,305.58
  4. Step 4: Simplify right side
    2,249.63x = 4,052,507.26
  5. Step 5: Solve for x
    x = 4,052,507.26/2,249.63
  6. Step 6: Final answer
    x = 1,801.41

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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.