Home / 2,167.92-3,249.45-1,192.68

Finding the Fourth Proportional to 2,167.92, 3,249.45 and 1,192.68

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Solution

The fourth proportional to 2,167.92, 3,249.45 and 1,192.68 is: 1,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.92 : 3,249.45 = 1,192.68 : x
  2. Step 2: Convert to fraction form
    2,167.92/3,249.45 = 1,192.68/x
  3. Step 3: Cross multiply
    2,167.92x = 3,249.45 × 1,192.68
  4. Step 4: Simplify right side
    2,167.92x = 3,875,554.03
  5. Step 5: Solve for x
    x = 3,875,554.03/2,167.92
  6. Step 6: Final answer
    x = 1,787.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.