Home / 2,192.96-3,285.19-1,098.25

Finding the Fourth Proportional to 2,192.96, 3,285.19 and 1,098.25

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Solution

The fourth proportional to 2,192.96, 3,285.19 and 1,098.25 is: 1,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.96 : 3,285.19 = 1,098.25 : x
  2. Step 2: Convert to fraction form
    2,192.96/3,285.19 = 1,098.25/x
  3. Step 3: Cross multiply
    2,192.96x = 3,285.19 × 1,098.25
  4. Step 4: Simplify right side
    2,192.96x = 3,607,953.08
  5. Step 5: Solve for x
    x = 3,607,953.08/2,192.96
  6. Step 6: Final answer
    x = 1,645.24

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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.