Home / 3,440.36-4,748.46-2,261.54

Finding the Fourth Proportional to 3,440.36, 4,748.46 and 2,261.54

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Solution

The fourth proportional to 3,440.36, 4,748.46 and 2,261.54 is: 3,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.36 : 4,748.46 = 2,261.54 : x
  2. Step 2: Convert to fraction form
    3,440.36/4,748.46 = 2,261.54/x
  3. Step 3: Cross multiply
    3,440.36x = 4,748.46 × 2,261.54
  4. Step 4: Simplify right side
    3,440.36x = 10,738,835.62
  5. Step 5: Solve for x
    x = 10,738,835.62/3,440.36
  6. Step 6: Final answer
    x = 3,121.43

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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.