Home / 2,171.84-3,250.40-1,825.60

Finding the Fourth Proportional to 2,171.84, 3,250.40 and 1,825.60

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Solution

The fourth proportional to 2,171.84, 3,250.40 and 1,825.60 is: 2,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.84 : 3,250.40 = 1,825.60 : x
  2. Step 2: Convert to fraction form
    2,171.84/3,250.40 = 1,825.60/x
  3. Step 3: Cross multiply
    2,171.84x = 3,250.40 × 1,825.60
  4. Step 4: Simplify right side
    2,171.84x = 5,933,930.24
  5. Step 5: Solve for x
    x = 5,933,930.24/2,171.84
  6. Step 6: Final answer
    x = 2,732.21

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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.