Home / 3,434.89-4,739.16-1,942.87

Finding the Fourth Proportional to 3,434.89, 4,739.16 and 1,942.87

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Solution

The fourth proportional to 3,434.89, 4,739.16 and 1,942.87 is: 2,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.89 : 4,739.16 = 1,942.87 : x
  2. Step 2: Convert to fraction form
    3,434.89/4,739.16 = 1,942.87/x
  3. Step 3: Cross multiply
    3,434.89x = 4,739.16 × 1,942.87
  4. Step 4: Simplify right side
    3,434.89x = 9,207,571.79
  5. Step 5: Solve for x
    x = 9,207,571.79/3,434.89
  6. Step 6: Final answer
    x = 2,680.60

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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.