Home / 2,187.19-3,279.58-1,494.64

Finding the Fourth Proportional to 2,187.19, 3,279.58 and 1,494.64

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Solution

The fourth proportional to 2,187.19, 3,279.58 and 1,494.64 is: 2,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.19 : 3,279.58 = 1,494.64 : x
  2. Step 2: Convert to fraction form
    2,187.19/3,279.58 = 1,494.64/x
  3. Step 3: Cross multiply
    2,187.19x = 3,279.58 × 1,494.64
  4. Step 4: Simplify right side
    2,187.19x = 4,901,791.45
  5. Step 5: Solve for x
    x = 4,901,791.45/2,187.19
  6. Step 6: Final answer
    x = 2,241.14

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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.