Home / 2,791.10-4,184.49-1,619.30

Finding the Fourth Proportional to 2,791.10, 4,184.49 and 1,619.30

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Solution

The fourth proportional to 2,791.10, 4,184.49 and 1,619.30 is: 2,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.10 : 4,184.49 = 1,619.30 : x
  2. Step 2: Convert to fraction form
    2,791.10/4,184.49 = 1,619.30/x
  3. Step 3: Cross multiply
    2,791.10x = 4,184.49 × 1,619.30
  4. Step 4: Simplify right side
    2,791.10x = 6,775,944.66
  5. Step 5: Solve for x
    x = 6,775,944.66/2,791.10
  6. Step 6: Final answer
    x = 2,427.70

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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.