Home / 2,249.45-3,103.94-1,292.33

Finding the Fourth Proportional to 2,249.45, 3,103.94 and 1,292.33

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Solution

The fourth proportional to 2,249.45, 3,103.94 and 1,292.33 is: 1,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.45 : 3,103.94 = 1,292.33 : x
  2. Step 2: Convert to fraction form
    2,249.45/3,103.94 = 1,292.33/x
  3. Step 3: Cross multiply
    2,249.45x = 3,103.94 × 1,292.33
  4. Step 4: Simplify right side
    2,249.45x = 4,011,314.13
  5. Step 5: Solve for x
    x = 4,011,314.13/2,249.45
  6. Step 6: Final answer
    x = 1,783.25

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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.