Home / 2,684.09-3,704.20-1,505.54

Finding the Fourth Proportional to 2,684.09, 3,704.20 and 1,505.54

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Solution

The fourth proportional to 2,684.09, 3,704.20 and 1,505.54 is: 2,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.09 : 3,704.20 = 1,505.54 : x
  2. Step 2: Convert to fraction form
    2,684.09/3,704.20 = 1,505.54/x
  3. Step 3: Cross multiply
    2,684.09x = 3,704.20 × 1,505.54
  4. Step 4: Simplify right side
    2,684.09x = 5,576,821.27
  5. Step 5: Solve for x
    x = 5,576,821.27/2,684.09
  6. Step 6: Final answer
    x = 2,077.73

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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.