Home / 4,105.71-6,158.97-1,639.95

Finding the Fourth Proportional to 4,105.71, 6,158.97 and 1,639.95

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Solution

The fourth proportional to 4,105.71, 6,158.97 and 1,639.95 is: 2,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.71 : 6,158.97 = 1,639.95 : x
  2. Step 2: Convert to fraction form
    4,105.71/6,158.97 = 1,639.95/x
  3. Step 3: Cross multiply
    4,105.71x = 6,158.97 × 1,639.95
  4. Step 4: Simplify right side
    4,105.71x = 10,100,402.85
  5. Step 5: Solve for x
    x = 10,100,402.85/4,105.71
  6. Step 6: Final answer
    x = 2,460.09

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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.