Home / 2,228.16-3,074.40-1,344

Finding the Fourth Proportional to 2,228.16, 3,074.40 and 1,344

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Solution

The fourth proportional to 2,228.16, 3,074.40 and 1,344 is: 1,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.16 : 3,074.40 = 1,344 : x
  2. Step 2: Convert to fraction form
    2,228.16/3,074.40 = 1,344/x
  3. Step 3: Cross multiply
    2,228.16x = 3,074.40 × 1,344
  4. Step 4: Simplify right side
    2,228.16x = 4,131,993.60
  5. Step 5: Solve for x
    x = 4,131,993.60/2,228.16
  6. Step 6: Final answer
    x = 1,854.44

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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.