Home / 3,365.45-4,644.97-2,039.88

Finding the Fourth Proportional to 3,365.45, 4,644.97 and 2,039.88

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Solution

The fourth proportional to 3,365.45, 4,644.97 and 2,039.88 is: 2,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.45 : 4,644.97 = 2,039.88 : x
  2. Step 2: Convert to fraction form
    3,365.45/4,644.97 = 2,039.88/x
  3. Step 3: Cross multiply
    3,365.45x = 4,644.97 × 2,039.88
  4. Step 4: Simplify right side
    3,365.45x = 9,475,181.40
  5. Step 5: Solve for x
    x = 9,475,181.40/3,365.45
  6. Step 6: Final answer
    x = 2,815.43

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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.