Home / 2,908.12-4,363.34-1,176.88

Finding the Fourth Proportional to 2,908.12, 4,363.34 and 1,176.88

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Solution

The fourth proportional to 2,908.12, 4,363.34 and 1,176.88 is: 1,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.12 : 4,363.34 = 1,176.88 : x
  2. Step 2: Convert to fraction form
    2,908.12/4,363.34 = 1,176.88/x
  3. Step 3: Cross multiply
    2,908.12x = 4,363.34 × 1,176.88
  4. Step 4: Simplify right side
    2,908.12x = 5,135,127.58
  5. Step 5: Solve for x
    x = 5,135,127.58/2,908.12
  6. Step 6: Final answer
    x = 1,765.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.