Home / 3,629.74-5,449.65-2,405.02

Finding the Fourth Proportional to 3,629.74, 5,449.65 and 2,405.02

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Solution

The fourth proportional to 3,629.74, 5,449.65 and 2,405.02 is: 3,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.74 : 5,449.65 = 2,405.02 : x
  2. Step 2: Convert to fraction form
    3,629.74/5,449.65 = 2,405.02/x
  3. Step 3: Cross multiply
    3,629.74x = 5,449.65 × 2,405.02
  4. Step 4: Simplify right side
    3,629.74x = 13,106,517.24
  5. Step 5: Solve for x
    x = 13,106,517.24/3,629.74
  6. Step 6: Final answer
    x = 3,610.87

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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.