Home / 2,251.12-3,373.62-1,081.60

Finding the Fourth Proportional to 2,251.12, 3,373.62 and 1,081.60

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Solution

The fourth proportional to 2,251.12, 3,373.62 and 1,081.60 is: 1,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.12 : 3,373.62 = 1,081.60 : x
  2. Step 2: Convert to fraction form
    2,251.12/3,373.62 = 1,081.60/x
  3. Step 3: Cross multiply
    2,251.12x = 3,373.62 × 1,081.60
  4. Step 4: Simplify right side
    2,251.12x = 3,648,907.39
  5. Step 5: Solve for x
    x = 3,648,907.39/2,251.12
  6. Step 6: Final answer
    x = 1,620.93

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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.