Home / 2,249.60-3,104.47-1,305.96

Finding the Fourth Proportional to 2,249.60, 3,104.47 and 1,305.96

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Solution

The fourth proportional to 2,249.60, 3,104.47 and 1,305.96 is: 1,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.60 : 3,104.47 = 1,305.96 : x
  2. Step 2: Convert to fraction form
    2,249.60/3,104.47 = 1,305.96/x
  3. Step 3: Cross multiply
    2,249.60x = 3,104.47 × 1,305.96
  4. Step 4: Simplify right side
    2,249.60x = 4,054,313.64
  5. Step 5: Solve for x
    x = 4,054,313.64/2,249.60
  6. Step 6: Final answer
    x = 1,802.24

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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.