Home / 3,825.72-5,740.92-2,184.12

Finding the Fourth Proportional to 3,825.72, 5,740.92 and 2,184.12

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Solution

The fourth proportional to 3,825.72, 5,740.92 and 2,184.12 is: 3,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.72 : 5,740.92 = 2,184.12 : x
  2. Step 2: Convert to fraction form
    3,825.72/5,740.92 = 2,184.12/x
  3. Step 3: Cross multiply
    3,825.72x = 5,740.92 × 2,184.12
  4. Step 4: Simplify right side
    3,825.72x = 12,538,858.19
  5. Step 5: Solve for x
    x = 12,538,858.19/3,825.72
  6. Step 6: Final answer
    x = 3,277.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.