Home / 3,525.42-5,288.19-1,185.54

Finding the Fourth Proportional to 3,525.42, 5,288.19 and 1,185.54

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Solution

The fourth proportional to 3,525.42, 5,288.19 and 1,185.54 is: 1,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.42 : 5,288.19 = 1,185.54 : x
  2. Step 2: Convert to fraction form
    3,525.42/5,288.19 = 1,185.54/x
  3. Step 3: Cross multiply
    3,525.42x = 5,288.19 × 1,185.54
  4. Step 4: Simplify right side
    3,525.42x = 6,269,336.50
  5. Step 5: Solve for x
    x = 6,269,336.50/3,525.42
  6. Step 6: Final answer
    x = 1,778.32

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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.