Home / 3,334.44-4,601.13-1,989.80

Finding the Fourth Proportional to 3,334.44, 4,601.13 and 1,989.80

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Solution

The fourth proportional to 3,334.44, 4,601.13 and 1,989.80 is: 2,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.44 : 4,601.13 = 1,989.80 : x
  2. Step 2: Convert to fraction form
    3,334.44/4,601.13 = 1,989.80/x
  3. Step 3: Cross multiply
    3,334.44x = 4,601.13 × 1,989.80
  4. Step 4: Simplify right side
    3,334.44x = 9,155,303.72
  5. Step 5: Solve for x
    x = 9,155,303.72/3,334.44
  6. Step 6: Final answer
    x = 2,745.68

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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.