Home / 4,151.20-6,226.92-1,229.80

Finding the Fourth Proportional to 4,151.20, 6,226.92 and 1,229.80

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Solution

The fourth proportional to 4,151.20, 6,226.92 and 1,229.80 is: 1,844.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.20 : 6,226.92 = 1,229.80 : x
  2. Step 2: Convert to fraction form
    4,151.20/6,226.92 = 1,229.80/x
  3. Step 3: Cross multiply
    4,151.20x = 6,226.92 × 1,229.80
  4. Step 4: Simplify right side
    4,151.20x = 7,657,866.22
  5. Step 5: Solve for x
    x = 7,657,866.22/4,151.20
  6. Step 6: Final answer
    x = 1,844.74

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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.