Home / 2,192.22-3,281.54-1,856.27

Finding the Fourth Proportional to 2,192.22, 3,281.54 and 1,856.27

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Solution

The fourth proportional to 2,192.22, 3,281.54 and 1,856.27 is: 2,778.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.22 : 3,281.54 = 1,856.27 : x
  2. Step 2: Convert to fraction form
    2,192.22/3,281.54 = 1,856.27/x
  3. Step 3: Cross multiply
    2,192.22x = 3,281.54 × 1,856.27
  4. Step 4: Simplify right side
    2,192.22x = 6,091,398.57
  5. Step 5: Solve for x
    x = 6,091,398.57/2,192.22
  6. Step 6: Final answer
    x = 2,778.64

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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.