Home / 3,650.87-5,475.66-1,185.33

Finding the Fourth Proportional to 3,650.87, 5,475.66 and 1,185.33

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Solution

The fourth proportional to 3,650.87, 5,475.66 and 1,185.33 is: 1,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.87 : 5,475.66 = 1,185.33 : x
  2. Step 2: Convert to fraction form
    3,650.87/5,475.66 = 1,185.33/x
  3. Step 3: Cross multiply
    3,650.87x = 5,475.66 × 1,185.33
  4. Step 4: Simplify right side
    3,650.87x = 6,490,464.07
  5. Step 5: Solve for x
    x = 6,490,464.07/3,650.87
  6. Step 6: Final answer
    x = 1,777.79

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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.