Home / 2,793.07-3,853.87-1,613.85

Finding the Fourth Proportional to 2,793.07, 3,853.87 and 1,613.85

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Solution

The fourth proportional to 2,793.07, 3,853.87 and 1,613.85 is: 2,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.07 : 3,853.87 = 1,613.85 : x
  2. Step 2: Convert to fraction form
    2,793.07/3,853.87 = 1,613.85/x
  3. Step 3: Cross multiply
    2,793.07x = 3,853.87 × 1,613.85
  4. Step 4: Simplify right side
    2,793.07x = 6,219,568.10
  5. Step 5: Solve for x
    x = 6,219,568.10/2,793.07
  6. Step 6: Final answer
    x = 2,226.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.