Home / 3,783.18-5,675.31-1,185.24

Finding the Fourth Proportional to 3,783.18, 5,675.31 and 1,185.24

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Solution

The fourth proportional to 3,783.18, 5,675.31 and 1,185.24 is: 1,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.18 : 5,675.31 = 1,185.24 : x
  2. Step 2: Convert to fraction form
    3,783.18/5,675.31 = 1,185.24/x
  3. Step 3: Cross multiply
    3,783.18x = 5,675.31 × 1,185.24
  4. Step 4: Simplify right side
    3,783.18x = 6,726,604.42
  5. Step 5: Solve for x
    x = 6,726,604.42/3,783.18
  6. Step 6: Final answer
    x = 1,778.03

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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.