Home / 2,302.48-3,431.39-2,228.68

Finding the Fourth Proportional to 2,302.48, 3,431.39 and 2,228.68

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Solution

The fourth proportional to 2,302.48, 3,431.39 and 2,228.68 is: 3,321.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.48 : 3,431.39 = 2,228.68 : x
  2. Step 2: Convert to fraction form
    2,302.48/3,431.39 = 2,228.68/x
  3. Step 3: Cross multiply
    2,302.48x = 3,431.39 × 2,228.68
  4. Step 4: Simplify right side
    2,302.48x = 7,647,470.27
  5. Step 5: Solve for x
    x = 7,647,470.27/2,302.48
  6. Step 6: Final answer
    x = 3,321.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.