Home / 2,797.69-4,198.42-1,154.20

Finding the Fourth Proportional to 2,797.69, 4,198.42 and 1,154.20

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Solution

The fourth proportional to 2,797.69, 4,198.42 and 1,154.20 is: 1,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.69 : 4,198.42 = 1,154.20 : x
  2. Step 2: Convert to fraction form
    2,797.69/4,198.42 = 1,154.20/x
  3. Step 3: Cross multiply
    2,797.69x = 4,198.42 × 1,154.20
  4. Step 4: Simplify right side
    2,797.69x = 4,845,789.60
  5. Step 5: Solve for x
    x = 4,845,789.60/2,797.69
  6. Step 6: Final answer
    x = 1,732.07

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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.