Home / 2,884.11-3,979.66-1,765.09

Finding the Fourth Proportional to 2,884.11, 3,979.66 and 1,765.09

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Solution

The fourth proportional to 2,884.11, 3,979.66 and 1,765.09 is: 2,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.11 : 3,979.66 = 1,765.09 : x
  2. Step 2: Convert to fraction form
    2,884.11/3,979.66 = 1,765.09/x
  3. Step 3: Cross multiply
    2,884.11x = 3,979.66 × 1,765.09
  4. Step 4: Simplify right side
    2,884.11x = 7,024,456.98
  5. Step 5: Solve for x
    x = 7,024,456.98/2,884.11
  6. Step 6: Final answer
    x = 2,435.57

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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.