Home / 2,042.94-2,819.45-1,203.91

Finding the Fourth Proportional to 2,042.94, 2,819.45 and 1,203.91

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Solution

The fourth proportional to 2,042.94, 2,819.45 and 1,203.91 is: 1,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.94 : 2,819.45 = 1,203.91 : x
  2. Step 2: Convert to fraction form
    2,042.94/2,819.45 = 1,203.91/x
  3. Step 3: Cross multiply
    2,042.94x = 2,819.45 × 1,203.91
  4. Step 4: Simplify right side
    2,042.94x = 3,394,348.45
  5. Step 5: Solve for x
    x = 3,394,348.45/2,042.94
  6. Step 6: Final answer
    x = 1,661.50

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1.5x scale

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.