Home / 2,197.60-3,289.12-1,833.12

Finding the Fourth Proportional to 2,197.60, 3,289.12 and 1,833.12

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Solution

The fourth proportional to 2,197.60, 3,289.12 and 1,833.12 is: 2,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.60 : 3,289.12 = 1,833.12 : x
  2. Step 2: Convert to fraction form
    2,197.60/3,289.12 = 1,833.12/x
  3. Step 3: Cross multiply
    2,197.60x = 3,289.12 × 1,833.12
  4. Step 4: Simplify right side
    2,197.60x = 6,029,351.65
  5. Step 5: Solve for x
    x = 6,029,351.65/2,197.60
  6. Step 6: Final answer
    x = 2,743.61

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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.