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Finding the Fourth Proportional to 2,630.06, 3,945.09 and 1,653.74

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Solution

The fourth proportional to 2,630.06, 3,945.09 and 1,653.74 is: 2,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.06 : 3,945.09 = 1,653.74 : x
  2. Step 2: Convert to fraction form
    2,630.06/3,945.09 = 1,653.74/x
  3. Step 3: Cross multiply
    2,630.06x = 3,945.09 × 1,653.74
  4. Step 4: Simplify right side
    2,630.06x = 6,524,153.14
  5. Step 5: Solve for x
    x = 6,524,153.14/2,630.06
  6. Step 6: Final answer
    x = 2,480.61

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Similar ratio
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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.