Home / 3,728.26-5,144.70-2,235.61

Finding the Fourth Proportional to 3,728.26, 5,144.70 and 2,235.61

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Solution

The fourth proportional to 3,728.26, 5,144.70 and 2,235.61 is: 3,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.26 : 5,144.70 = 2,235.61 : x
  2. Step 2: Convert to fraction form
    3,728.26/5,144.70 = 2,235.61/x
  3. Step 3: Cross multiply
    3,728.26x = 5,144.70 × 2,235.61
  4. Step 4: Simplify right side
    3,728.26x = 11,501,542.77
  5. Step 5: Solve for x
    x = 11,501,542.77/3,728.26
  6. Step 6: Final answer
    x = 3,084.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.