Home / 2,268.63-3,128.90-1,874.97

Finding the Fourth Proportional to 2,268.63, 3,128.90 and 1,874.97

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Solution

The fourth proportional to 2,268.63, 3,128.90 and 1,874.97 is: 2,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.63 : 3,128.90 = 1,874.97 : x
  2. Step 2: Convert to fraction form
    2,268.63/3,128.90 = 1,874.97/x
  3. Step 3: Cross multiply
    2,268.63x = 3,128.90 × 1,874.97
  4. Step 4: Simplify right side
    2,268.63x = 5,866,584.26
  5. Step 5: Solve for x
    x = 5,866,584.26/2,268.63
  6. Step 6: Final answer
    x = 2,585.96

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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.