Home / 3,052.80-4,233.60-2,908.80

Finding the Fourth Proportional to 3,052.80, 4,233.60 and 2,908.80

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Solution

The fourth proportional to 3,052.80, 4,233.60 and 2,908.80 is: 4,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.80 : 4,233.60 = 2,908.80 : x
  2. Step 2: Convert to fraction form
    3,052.80/4,233.60 = 2,908.80/x
  3. Step 3: Cross multiply
    3,052.80x = 4,233.60 × 2,908.80
  4. Step 4: Simplify right side
    3,052.80x = 12,314,695.68
  5. Step 5: Solve for x
    x = 12,314,695.68/3,052.80
  6. Step 6: Final answer
    x = 4,033.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.