Home / 3,231.30-4,458.04-1,834.05

Finding the Fourth Proportional to 3,231.30, 4,458.04 and 1,834.05

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Solution

The fourth proportional to 3,231.30, 4,458.04 and 1,834.05 is: 2,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.30 : 4,458.04 = 1,834.05 : x
  2. Step 2: Convert to fraction form
    3,231.30/4,458.04 = 1,834.05/x
  3. Step 3: Cross multiply
    3,231.30x = 4,458.04 × 1,834.05
  4. Step 4: Simplify right side
    3,231.30x = 8,176,268.26
  5. Step 5: Solve for x
    x = 8,176,268.26/3,231.30
  6. Step 6: Final answer
    x = 2,530.33

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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.