Home / 1,524.82-2,104.47-1,212.55

Finding the Fourth Proportional to 1,524.82, 2,104.47 and 1,212.55

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Solution

The fourth proportional to 1,524.82, 2,104.47 and 1,212.55 is: 1,673.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.82 : 2,104.47 = 1,212.55 : x
  2. Step 2: Convert to fraction form
    1,524.82/2,104.47 = 1,212.55/x
  3. Step 3: Cross multiply
    1,524.82x = 2,104.47 × 1,212.55
  4. Step 4: Simplify right side
    1,524.82x = 2,551,775.10
  5. Step 5: Solve for x
    x = 2,551,775.10/1,524.82
  6. Step 6: Final answer
    x = 1,673.49

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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.