Home / 2,080.75-2,871.44-1,184.46

Finding the Fourth Proportional to 2,080.75, 2,871.44 and 1,184.46

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Solution

The fourth proportional to 2,080.75, 2,871.44 and 1,184.46 is: 1,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.75 : 2,871.44 = 1,184.46 : x
  2. Step 2: Convert to fraction form
    2,080.75/2,871.44 = 1,184.46/x
  3. Step 3: Cross multiply
    2,080.75x = 2,871.44 × 1,184.46
  4. Step 4: Simplify right side
    2,080.75x = 3,401,101.65
  5. Step 5: Solve for x
    x = 3,401,101.65/2,080.75
  6. Step 6: Final answer
    x = 1,634.56

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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.