Home / 2,771.33-4,156.99-1,382.58

Finding the Fourth Proportional to 2,771.33, 4,156.99 and 1,382.58

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Solution

The fourth proportional to 2,771.33, 4,156.99 and 1,382.58 is: 2,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.33 : 4,156.99 = 1,382.58 : x
  2. Step 2: Convert to fraction form
    2,771.33/4,156.99 = 1,382.58/x
  3. Step 3: Cross multiply
    2,771.33x = 4,156.99 × 1,382.58
  4. Step 4: Simplify right side
    2,771.33x = 5,747,367.78
  5. Step 5: Solve for x
    x = 5,747,367.78/2,771.33
  6. Step 6: Final answer
    x = 2,073.87

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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.