Home / 2,514-3,469.38-1,395.12

Finding the Fourth Proportional to 2,514, 3,469.38 and 1,395.12

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Solution

The fourth proportional to 2,514, 3,469.38 and 1,395.12 is: 1,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514 : 3,469.38 = 1,395.12 : x
  2. Step 2: Convert to fraction form
    2,514/3,469.38 = 1,395.12/x
  3. Step 3: Cross multiply
    2,514x = 3,469.38 × 1,395.12
  4. Step 4: Simplify right side
    2,514x = 4,840,201.43
  5. Step 5: Solve for x
    x = 4,840,201.43/2,514
  6. Step 6: Final answer
    x = 1,925.30

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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.