Home / 1,819.05-2,512.05-1,260.96

Finding the Fourth Proportional to 1,819.05, 2,512.05 and 1,260.96

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Solution

The fourth proportional to 1,819.05, 2,512.05 and 1,260.96 is: 1,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.05 : 2,512.05 = 1,260.96 : x
  2. Step 2: Convert to fraction form
    1,819.05/2,512.05 = 1,260.96/x
  3. Step 3: Cross multiply
    1,819.05x = 2,512.05 × 1,260.96
  4. Step 4: Simplify right side
    1,819.05x = 3,167,594.57
  5. Step 5: Solve for x
    x = 3,167,594.57/1,819.05
  6. Step 6: Final answer
    x = 1,741.35

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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.