Home / 1,241.73-1,861.58-1,105.04

Finding the Fourth Proportional to 1,241.73, 1,861.58 and 1,105.04

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Solution

The fourth proportional to 1,241.73, 1,861.58 and 1,105.04 is: 1,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.73 : 1,861.58 = 1,105.04 : x
  2. Step 2: Convert to fraction form
    1,241.73/1,861.58 = 1,105.04/x
  3. Step 3: Cross multiply
    1,241.73x = 1,861.58 × 1,105.04
  4. Step 4: Simplify right side
    1,241.73x = 2,057,127.78
  5. Step 5: Solve for x
    x = 2,057,127.78/1,241.73
  6. Step 6: Final answer
    x = 1,656.66

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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.