Home / 4,128.67-6,192.82-2,280.70

Finding the Fourth Proportional to 4,128.67, 6,192.82 and 2,280.70

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Solution

The fourth proportional to 4,128.67, 6,192.82 and 2,280.70 is: 3,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.67 : 6,192.82 = 2,280.70 : x
  2. Step 2: Convert to fraction form
    4,128.67/6,192.82 = 2,280.70/x
  3. Step 3: Cross multiply
    4,128.67x = 6,192.82 × 2,280.70
  4. Step 4: Simplify right side
    4,128.67x = 14,123,964.57
  5. Step 5: Solve for x
    x = 14,123,964.57/4,128.67
  6. Step 6: Final answer
    x = 3,420.95

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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.