Home / 3,043.20-4,199.62-1,645.95

Finding the Fourth Proportional to 3,043.20, 4,199.62 and 1,645.95

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Solution

The fourth proportional to 3,043.20, 4,199.62 and 1,645.95 is: 2,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.20 : 4,199.62 = 1,645.95 : x
  2. Step 2: Convert to fraction form
    3,043.20/4,199.62 = 1,645.95/x
  3. Step 3: Cross multiply
    3,043.20x = 4,199.62 × 1,645.95
  4. Step 4: Simplify right side
    3,043.20x = 6,912,379.26
  5. Step 5: Solve for x
    x = 6,912,379.26/3,043.20
  6. Step 6: Final answer
    x = 2,271.42

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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.