Home / 3,365.31-4,644.39-1,949.46

Finding the Fourth Proportional to 3,365.31, 4,644.39 and 1,949.46

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Solution

The fourth proportional to 3,365.31, 4,644.39 and 1,949.46 is: 2,690.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.31 : 4,644.39 = 1,949.46 : x
  2. Step 2: Convert to fraction form
    3,365.31/4,644.39 = 1,949.46/x
  3. Step 3: Cross multiply
    3,365.31x = 4,644.39 × 1,949.46
  4. Step 4: Simplify right side
    3,365.31x = 9,054,052.53
  5. Step 5: Solve for x
    x = 9,054,052.53/3,365.31
  6. Step 6: Final answer
    x = 2,690.41

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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.