Home / 2,042.76-2,819.85-1,335.17

Finding the Fourth Proportional to 2,042.76, 2,819.85 and 1,335.17

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Solution

The fourth proportional to 2,042.76, 2,819.85 and 1,335.17 is: 1,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.76 : 2,819.85 = 1,335.17 : x
  2. Step 2: Convert to fraction form
    2,042.76/2,819.85 = 1,335.17/x
  3. Step 3: Cross multiply
    2,042.76x = 2,819.85 × 1,335.17
  4. Step 4: Simplify right side
    2,042.76x = 3,764,972.45
  5. Step 5: Solve for x
    x = 3,764,972.45/2,042.76
  6. Step 6: Final answer
    x = 1,843.08

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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.