Home / 2,884.14-3,979.80-1,765.26

Finding the Fourth Proportional to 2,884.14, 3,979.80 and 1,765.26

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Solution

The fourth proportional to 2,884.14, 3,979.80 and 1,765.26 is: 2,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.14 : 3,979.80 = 1,765.26 : x
  2. Step 2: Convert to fraction form
    2,884.14/3,979.80 = 1,765.26/x
  3. Step 3: Cross multiply
    2,884.14x = 3,979.80 × 1,765.26
  4. Step 4: Simplify right side
    2,884.14x = 7,025,381.75
  5. Step 5: Solve for x
    x = 7,025,381.75/2,884.14
  6. Step 6: Final answer
    x = 2,435.87

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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.