Home / 2,958.05-4,080.15-1,777.88

Finding the Fourth Proportional to 2,958.05, 4,080.15 and 1,777.88

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Solution

The fourth proportional to 2,958.05, 4,080.15 and 1,777.88 is: 2,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.05 : 4,080.15 = 1,777.88 : x
  2. Step 2: Convert to fraction form
    2,958.05/4,080.15 = 1,777.88/x
  3. Step 3: Cross multiply
    2,958.05x = 4,080.15 × 1,777.88
  4. Step 4: Simplify right side
    2,958.05x = 7,253,996.68
  5. Step 5: Solve for x
    x = 7,253,996.68/2,958.05
  6. Step 6: Final answer
    x = 2,452.29

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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.