Home / 2,080.76-2,871.38-1,195.96

Finding the Fourth Proportional to 2,080.76, 2,871.38 and 1,195.96

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Solution

The fourth proportional to 2,080.76, 2,871.38 and 1,195.96 is: 1,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.76 : 2,871.38 = 1,195.96 : x
  2. Step 2: Convert to fraction form
    2,080.76/2,871.38 = 1,195.96/x
  3. Step 3: Cross multiply
    2,080.76x = 2,871.38 × 1,195.96
  4. Step 4: Simplify right side
    2,080.76x = 3,434,055.62
  5. Step 5: Solve for x
    x = 3,434,055.62/2,080.76
  6. Step 6: Final answer
    x = 1,650.39

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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.