Home / 2,704.10-4,047.15-1,961.60

Finding the Fourth Proportional to 2,704.10, 4,047.15 and 1,961.60

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Solution

The fourth proportional to 2,704.10, 4,047.15 and 1,961.60 is: 2,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.10 : 4,047.15 = 1,961.60 : x
  2. Step 2: Convert to fraction form
    2,704.10/4,047.15 = 1,961.60/x
  3. Step 3: Cross multiply
    2,704.10x = 4,047.15 × 1,961.60
  4. Step 4: Simplify right side
    2,704.10x = 7,938,889.44
  5. Step 5: Solve for x
    x = 7,938,889.44/2,704.10
  6. Step 6: Final answer
    x = 2,935.87

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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.