Home / 3,989.44-5,984.88-1,682.56

Finding the Fourth Proportional to 3,989.44, 5,984.88 and 1,682.56

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Solution

The fourth proportional to 3,989.44, 5,984.88 and 1,682.56 is: 2,524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.44 : 5,984.88 = 1,682.56 : x
  2. Step 2: Convert to fraction form
    3,989.44/5,984.88 = 1,682.56/x
  3. Step 3: Cross multiply
    3,989.44x = 5,984.88 × 1,682.56
  4. Step 4: Simplify right side
    3,989.44x = 10,069,919.69
  5. Step 5: Solve for x
    x = 10,069,919.69/3,989.44
  6. Step 6: Final answer
    x = 2,524.14

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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.