Home / 1,372.73-2,063.55-1,101.79

Finding the Fourth Proportional to 1,372.73, 2,063.55 and 1,101.79

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Solution

The fourth proportional to 1,372.73, 2,063.55 and 1,101.79 is: 1,656.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.73 : 2,063.55 = 1,101.79 : x
  2. Step 2: Convert to fraction form
    1,372.73/2,063.55 = 1,101.79/x
  3. Step 3: Cross multiply
    1,372.73x = 2,063.55 × 1,101.79
  4. Step 4: Simplify right side
    1,372.73x = 2,273,598.75
  5. Step 5: Solve for x
    x = 2,273,598.75/1,372.73
  6. Step 6: Final answer
    x = 1,656.26

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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.