Home / 3,455.77-5,187.99-2,770.97

Finding the Fourth Proportional to 3,455.77, 5,187.99 and 2,770.97

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Solution

The fourth proportional to 3,455.77, 5,187.99 and 2,770.97 is: 4,159.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.77 : 5,187.99 = 2,770.97 : x
  2. Step 2: Convert to fraction form
    3,455.77/5,187.99 = 2,770.97/x
  3. Step 3: Cross multiply
    3,455.77x = 5,187.99 × 2,770.97
  4. Step 4: Simplify right side
    3,455.77x = 14,375,764.65
  5. Step 5: Solve for x
    x = 14,375,764.65/3,455.77
  6. Step 6: Final answer
    x = 4,159.93

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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.