Home / 3,000.24-4,138.92-1,951.92

Finding the Fourth Proportional to 3,000.24, 4,138.92 and 1,951.92

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Solution

The fourth proportional to 3,000.24, 4,138.92 and 1,951.92 is: 2,692.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.24 : 4,138.92 = 1,951.92 : x
  2. Step 2: Convert to fraction form
    3,000.24/4,138.92 = 1,951.92/x
  3. Step 3: Cross multiply
    3,000.24x = 4,138.92 × 1,951.92
  4. Step 4: Simplify right side
    3,000.24x = 8,078,840.73
  5. Step 5: Solve for x
    x = 8,078,840.73/3,000.24
  6. Step 6: Final answer
    x = 2,692.73

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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.