Home / 3,825.54-5,276.75-2,761.56

Finding the Fourth Proportional to 3,825.54, 5,276.75 and 2,761.56

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Solution

The fourth proportional to 3,825.54, 5,276.75 and 2,761.56 is: 3,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.54 : 5,276.75 = 2,761.56 : x
  2. Step 2: Convert to fraction form
    3,825.54/5,276.75 = 2,761.56/x
  3. Step 3: Cross multiply
    3,825.54x = 5,276.75 × 2,761.56
  4. Step 4: Simplify right side
    3,825.54x = 14,572,047.92
  5. Step 5: Solve for x
    x = 14,572,047.92/3,825.54
  6. Step 6: Final answer
    x = 3,809.15

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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.