Home / 3,819.95-5,730.23-1,628.70

Finding the Fourth Proportional to 3,819.95, 5,730.23 and 1,628.70

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Solution

The fourth proportional to 3,819.95, 5,730.23 and 1,628.70 is: 2,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.95 : 5,730.23 = 1,628.70 : x
  2. Step 2: Convert to fraction form
    3,819.95/5,730.23 = 1,628.70/x
  3. Step 3: Cross multiply
    3,819.95x = 5,730.23 × 1,628.70
  4. Step 4: Simplify right side
    3,819.95x = 9,332,825.60
  5. Step 5: Solve for x
    x = 9,332,825.60/3,819.95
  6. Step 6: Final answer
    x = 2,443.18

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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.