Home / 1,842.43-2,542.82-1,045.95

Finding the Fourth Proportional to 1,842.43, 2,542.82 and 1,045.95

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Solution

The fourth proportional to 1,842.43, 2,542.82 and 1,045.95 is: 1,443.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.43 : 2,542.82 = 1,045.95 : x
  2. Step 2: Convert to fraction form
    1,842.43/2,542.82 = 1,045.95/x
  3. Step 3: Cross multiply
    1,842.43x = 2,542.82 × 1,045.95
  4. Step 4: Simplify right side
    1,842.43x = 2,659,676.62
  5. Step 5: Solve for x
    x = 2,659,676.62/1,842.43
  6. Step 6: Final answer
    x = 1,443.57

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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.