Home / 3,179.94-4,389.02-2,002.60

Finding the Fourth Proportional to 3,179.94, 4,389.02 and 2,002.60

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Solution

The fourth proportional to 3,179.94, 4,389.02 and 2,002.60 is: 2,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.94 : 4,389.02 = 2,002.60 : x
  2. Step 2: Convert to fraction form
    3,179.94/4,389.02 = 2,002.60/x
  3. Step 3: Cross multiply
    3,179.94x = 4,389.02 × 2,002.60
  4. Step 4: Simplify right side
    3,179.94x = 8,789,451.45
  5. Step 5: Solve for x
    x = 8,789,451.45/3,179.94
  6. Step 6: Final answer
    x = 2,764.03

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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.