Home / 3,334.25-4,600.85-1,989.86

Finding the Fourth Proportional to 3,334.25, 4,600.85 and 1,989.86

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Solution

The fourth proportional to 3,334.25, 4,600.85 and 1,989.86 is: 2,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.25 : 4,600.85 = 1,989.86 : x
  2. Step 2: Convert to fraction form
    3,334.25/4,600.85 = 1,989.86/x
  3. Step 3: Cross multiply
    3,334.25x = 4,600.85 × 1,989.86
  4. Step 4: Simplify right side
    3,334.25x = 9,155,014.43
  5. Step 5: Solve for x
    x = 9,155,014.43/3,334.25
  6. Step 6: Final answer
    x = 2,745.75

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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.