Home / 3,355.52-5,034.96-2,187.81

Finding the Fourth Proportional to 3,355.52, 5,034.96 and 2,187.81

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Solution

The fourth proportional to 3,355.52, 5,034.96 and 2,187.81 is: 3,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.52 : 5,034.96 = 2,187.81 : x
  2. Step 2: Convert to fraction form
    3,355.52/5,034.96 = 2,187.81/x
  3. Step 3: Cross multiply
    3,355.52x = 5,034.96 × 2,187.81
  4. Step 4: Simplify right side
    3,355.52x = 11,015,535.84
  5. Step 5: Solve for x
    x = 11,015,535.84/3,355.52
  6. Step 6: Final answer
    x = 3,282.82

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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.