Home / 4,154.12-6,229.18-1,519.80

Finding the Fourth Proportional to 4,154.12, 6,229.18 and 1,519.80

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Solution

The fourth proportional to 4,154.12, 6,229.18 and 1,519.80 is: 2,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.12 : 6,229.18 = 1,519.80 : x
  2. Step 2: Convert to fraction form
    4,154.12/6,229.18 = 1,519.80/x
  3. Step 3: Cross multiply
    4,154.12x = 6,229.18 × 1,519.80
  4. Step 4: Simplify right side
    4,154.12x = 9,467,107.76
  5. Step 5: Solve for x
    x = 9,467,107.76/4,154.12
  6. Step 6: Final answer
    x = 2,278.97

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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.