Home / 3,825.74-5,279.21-2,707.34

Finding the Fourth Proportional to 3,825.74, 5,279.21 and 2,707.34

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Solution

The fourth proportional to 3,825.74, 5,279.21 and 2,707.34 is: 3,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.74 : 5,279.21 = 2,707.34 : x
  2. Step 2: Convert to fraction form
    3,825.74/5,279.21 = 2,707.34/x
  3. Step 3: Cross multiply
    3,825.74x = 5,279.21 × 2,707.34
  4. Step 4: Simplify right side
    3,825.74x = 14,292,586.62
  5. Step 5: Solve for x
    x = 14,292,586.62/3,825.74
  6. Step 6: Final answer
    x = 3,735.90

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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.