Home / 2,268.14-3,409.90-1,787

Finding the Fourth Proportional to 2,268.14, 3,409.90 and 1,787

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Solution

The fourth proportional to 2,268.14, 3,409.90 and 1,787 is: 2,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.14 : 3,409.90 = 1,787 : x
  2. Step 2: Convert to fraction form
    2,268.14/3,409.90 = 1,787/x
  3. Step 3: Cross multiply
    2,268.14x = 3,409.90 × 1,787
  4. Step 4: Simplify right side
    2,268.14x = 6,093,491.30
  5. Step 5: Solve for x
    x = 6,093,491.30/2,268.14
  6. Step 6: Final answer
    x = 2,686.56

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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.