Home / 3,405.44-5,105.55-1,760.93

Finding the Fourth Proportional to 3,405.44, 5,105.55 and 1,760.93

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Solution

The fourth proportional to 3,405.44, 5,105.55 and 1,760.93 is: 2,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.44 : 5,105.55 = 1,760.93 : x
  2. Step 2: Convert to fraction form
    3,405.44/5,105.55 = 1,760.93/x
  3. Step 3: Cross multiply
    3,405.44x = 5,105.55 × 1,760.93
  4. Step 4: Simplify right side
    3,405.44x = 8,990,516.16
  5. Step 5: Solve for x
    x = 8,990,516.16/3,405.44
  6. Step 6: Final answer
    x = 2,640.05

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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.