Home / 3,471.21-4,790.25-1,899.27

Finding the Fourth Proportional to 3,471.21, 4,790.25 and 1,899.27

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Solution

The fourth proportional to 3,471.21, 4,790.25 and 1,899.27 is: 2,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.21 : 4,790.25 = 1,899.27 : x
  2. Step 2: Convert to fraction form
    3,471.21/4,790.25 = 1,899.27/x
  3. Step 3: Cross multiply
    3,471.21x = 4,790.25 × 1,899.27
  4. Step 4: Simplify right side
    3,471.21x = 9,097,978.12
  5. Step 5: Solve for x
    x = 9,097,978.12/3,471.21
  6. Step 6: Final answer
    x = 2,620.98

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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.