Home / 3,025.70-4,538.82-834.38

Finding the Fourth Proportional to 3,025.70, 4,538.82 and 834.38

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Solution

The fourth proportional to 3,025.70, 4,538.82 and 834.38 is: 1,251.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.70 : 4,538.82 = 834.38 : x
  2. Step 2: Convert to fraction form
    3,025.70/4,538.82 = 834.38/x
  3. Step 3: Cross multiply
    3,025.70x = 4,538.82 × 834.38
  4. Step 4: Simplify right side
    3,025.70x = 3,787,100.63
  5. Step 5: Solve for x
    x = 3,787,100.63/3,025.70
  6. Step 6: Final answer
    x = 1,251.64

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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.