Home / 3,514.38-5,268.96-2,127.39

Finding the Fourth Proportional to 3,514.38, 5,268.96 and 2,127.39

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Solution

The fourth proportional to 3,514.38, 5,268.96 and 2,127.39 is: 3,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.38 : 5,268.96 = 2,127.39 : x
  2. Step 2: Convert to fraction form
    3,514.38/5,268.96 = 2,127.39/x
  3. Step 3: Cross multiply
    3,514.38x = 5,268.96 × 2,127.39
  4. Step 4: Simplify right side
    3,514.38x = 11,209,126.48
  5. Step 5: Solve for x
    x = 11,209,126.48/3,514.38
  6. Step 6: Final answer
    x = 3,189.50

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1.5x scale

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.