Home / 1,879.21-2,577.15-1,800.37

Finding the Fourth Proportional to 1,879.21, 2,577.15 and 1,800.37

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Solution

The fourth proportional to 1,879.21, 2,577.15 and 1,800.37 is: 2,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.21 : 2,577.15 = 1,800.37 : x
  2. Step 2: Convert to fraction form
    1,879.21/2,577.15 = 1,800.37/x
  3. Step 3: Cross multiply
    1,879.21x = 2,577.15 × 1,800.37
  4. Step 4: Simplify right side
    1,879.21x = 4,639,823.55
  5. Step 5: Solve for x
    x = 4,639,823.55/1,879.21
  6. Step 6: Final answer
    x = 2,469.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.