Home / 3,434.38-4,740.20-1,942.36

Finding the Fourth Proportional to 3,434.38, 4,740.20 and 1,942.36

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Solution

The fourth proportional to 3,434.38, 4,740.20 and 1,942.36 is: 2,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.38 : 4,740.20 = 1,942.36 : x
  2. Step 2: Convert to fraction form
    3,434.38/4,740.20 = 1,942.36/x
  3. Step 3: Cross multiply
    3,434.38x = 4,740.20 × 1,942.36
  4. Step 4: Simplify right side
    3,434.38x = 9,207,174.87
  5. Step 5: Solve for x
    x = 9,207,174.87/3,434.38
  6. Step 6: Final answer
    x = 2,680.88

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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.