Home / 3,287.12-4,930.55-1,825.34

Finding the Fourth Proportional to 3,287.12, 4,930.55 and 1,825.34

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Solution

The fourth proportional to 3,287.12, 4,930.55 and 1,825.34 is: 2,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.12 : 4,930.55 = 1,825.34 : x
  2. Step 2: Convert to fraction form
    3,287.12/4,930.55 = 1,825.34/x
  3. Step 3: Cross multiply
    3,287.12x = 4,930.55 × 1,825.34
  4. Step 4: Simplify right side
    3,287.12x = 8,999,921.01
  5. Step 5: Solve for x
    x = 8,999,921.01/3,287.12
  6. Step 6: Final answer
    x = 2,737.94

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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.