Home / 1,524.25-2,101.92-1,243.58

Finding the Fourth Proportional to 1,524.25, 2,101.92 and 1,243.58

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Solution

The fourth proportional to 1,524.25, 2,101.92 and 1,243.58 is: 1,714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.25 : 2,101.92 = 1,243.58 : x
  2. Step 2: Convert to fraction form
    1,524.25/2,101.92 = 1,243.58/x
  3. Step 3: Cross multiply
    1,524.25x = 2,101.92 × 1,243.58
  4. Step 4: Simplify right side
    1,524.25x = 2,613,910.93
  5. Step 5: Solve for x
    x = 2,613,910.93/1,524.25
  6. Step 6: Final answer
    x = 1,714.89

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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.