Home / 3,642.53-5,459.97-1,998.59

Finding the Fourth Proportional to 3,642.53, 5,459.97 and 1,998.59

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Solution

The fourth proportional to 3,642.53, 5,459.97 and 1,998.59 is: 2,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.53 : 5,459.97 = 1,998.59 : x
  2. Step 2: Convert to fraction form
    3,642.53/5,459.97 = 1,998.59/x
  3. Step 3: Cross multiply
    3,642.53x = 5,459.97 × 1,998.59
  4. Step 4: Simplify right side
    3,642.53x = 10,912,241.44
  5. Step 5: Solve for x
    x = 10,912,241.44/3,642.53
  6. Step 6: Final answer
    x = 2,995.79

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1.5x scale

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.