Home / 3,434.68-4,739.79-1,942.54

Finding the Fourth Proportional to 3,434.68, 4,739.79 and 1,942.54

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Solution

The fourth proportional to 3,434.68, 4,739.79 and 1,942.54 is: 2,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.68 : 4,739.79 = 1,942.54 : x
  2. Step 2: Convert to fraction form
    3,434.68/4,739.79 = 1,942.54/x
  3. Step 3: Cross multiply
    3,434.68x = 4,739.79 × 1,942.54
  4. Step 4: Simplify right side
    3,434.68x = 9,207,231.67
  5. Step 5: Solve for x
    x = 9,207,231.67/3,434.68
  6. Step 6: Final answer
    x = 2,680.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.