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Finding the Fourth Proportional to 3,653.46, 5,480.19 and 2,927.61

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Solution

The fourth proportional to 3,653.46, 5,480.19 and 2,927.61 is: 4,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.46 : 5,480.19 = 2,927.61 : x
  2. Step 2: Convert to fraction form
    3,653.46/5,480.19 = 2,927.61/x
  3. Step 3: Cross multiply
    3,653.46x = 5,480.19 × 2,927.61
  4. Step 4: Simplify right side
    3,653.46x = 16,043,859.05
  5. Step 5: Solve for x
    x = 16,043,859.05/3,653.46
  6. Step 6: Final answer
    x = 4,391.42

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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.