Home / 3,828.52-5,777.21-3,691.23

Finding the Fourth Proportional to 3,828.52, 5,777.21 and 3,691.23

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Solution

The fourth proportional to 3,828.52, 5,777.21 and 3,691.23 is: 5,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.52 : 5,777.21 = 3,691.23 : x
  2. Step 2: Convert to fraction form
    3,828.52/5,777.21 = 3,691.23/x
  3. Step 3: Cross multiply
    3,828.52x = 5,777.21 × 3,691.23
  4. Step 4: Simplify right side
    3,828.52x = 21,325,010.87
  5. Step 5: Solve for x
    x = 21,325,010.87/3,828.52
  6. Step 6: Final answer
    x = 5,570.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.