Home / 4,072.34-6,103.02-2,120.60

Finding the Fourth Proportional to 4,072.34, 6,103.02 and 2,120.60

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Solution

The fourth proportional to 4,072.34, 6,103.02 and 2,120.60 is: 3,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.34 : 6,103.02 = 2,120.60 : x
  2. Step 2: Convert to fraction form
    4,072.34/6,103.02 = 2,120.60/x
  3. Step 3: Cross multiply
    4,072.34x = 6,103.02 × 2,120.60
  4. Step 4: Simplify right side
    4,072.34x = 12,942,064.21
  5. Step 5: Solve for x
    x = 12,942,064.21/4,072.34
  6. Step 6: Final answer
    x = 3,178.04

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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.