Home / 4,180.80-6,277.40-2,630.64

Finding the Fourth Proportional to 4,180.80, 6,277.40 and 2,630.64

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Solution

The fourth proportional to 4,180.80, 6,277.40 and 2,630.64 is: 3,949.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.80 : 6,277.40 = 2,630.64 : x
  2. Step 2: Convert to fraction form
    4,180.80/6,277.40 = 2,630.64/x
  3. Step 3: Cross multiply
    4,180.80x = 6,277.40 × 2,630.64
  4. Step 4: Simplify right side
    4,180.80x = 16,513,579.54
  5. Step 5: Solve for x
    x = 16,513,579.54/4,180.80
  6. Step 6: Final answer
    x = 3,949.86

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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.