Home / 1,372.05-2,062.62-1,270.59

Finding the Fourth Proportional to 1,372.05, 2,062.62 and 1,270.59

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Solution

The fourth proportional to 1,372.05, 2,062.62 and 1,270.59 is: 1,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.05 : 2,062.62 = 1,270.59 : x
  2. Step 2: Convert to fraction form
    1,372.05/2,062.62 = 1,270.59/x
  3. Step 3: Cross multiply
    1,372.05x = 2,062.62 × 1,270.59
  4. Step 4: Simplify right side
    1,372.05x = 2,620,744.35
  5. Step 5: Solve for x
    x = 2,620,744.35/1,372.05
  6. Step 6: Final answer
    x = 1,910.09

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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.