Home / 2,249.12-3,103.44-1,364.80

Finding the Fourth Proportional to 2,249.12, 3,103.44 and 1,364.80

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Solution

The fourth proportional to 2,249.12, 3,103.44 and 1,364.80 is: 1,883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.12 : 3,103.44 = 1,364.80 : x
  2. Step 2: Convert to fraction form
    2,249.12/3,103.44 = 1,364.80/x
  3. Step 3: Cross multiply
    2,249.12x = 3,103.44 × 1,364.80
  4. Step 4: Simplify right side
    2,249.12x = 4,235,574.91
  5. Step 5: Solve for x
    x = 4,235,574.91/2,249.12
  6. Step 6: Final answer
    x = 1,883.21

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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.