Home / 3,728.46-5,145.48-2,237.44

Finding the Fourth Proportional to 3,728.46, 5,145.48 and 2,237.44

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Solution

The fourth proportional to 3,728.46, 5,145.48 and 2,237.44 is: 3,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.46 : 5,145.48 = 2,237.44 : x
  2. Step 2: Convert to fraction form
    3,728.46/5,145.48 = 2,237.44/x
  3. Step 3: Cross multiply
    3,728.46x = 5,145.48 × 2,237.44
  4. Step 4: Simplify right side
    3,728.46x = 11,512,702.77
  5. Step 5: Solve for x
    x = 11,512,702.77/3,728.46
  6. Step 6: Final answer
    x = 3,087.79

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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.