Home / 1,941.73-2,679.61-1,057.54

Finding the Fourth Proportional to 1,941.73, 2,679.61 and 1,057.54

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Solution

The fourth proportional to 1,941.73, 2,679.61 and 1,057.54 is: 1,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.73 : 2,679.61 = 1,057.54 : x
  2. Step 2: Convert to fraction form
    1,941.73/2,679.61 = 1,057.54/x
  3. Step 3: Cross multiply
    1,941.73x = 2,679.61 × 1,057.54
  4. Step 4: Simplify right side
    1,941.73x = 2,833,794.76
  5. Step 5: Solve for x
    x = 2,833,794.76/1,941.73
  6. Step 6: Final answer
    x = 1,459.42

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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.