Home / 2,591.21-3,881.61-1,202.64

Finding the Fourth Proportional to 2,591.21, 3,881.61 and 1,202.64

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Solution

The fourth proportional to 2,591.21, 3,881.61 and 1,202.64 is: 1,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.21 : 3,881.61 = 1,202.64 : x
  2. Step 2: Convert to fraction form
    2,591.21/3,881.61 = 1,202.64/x
  3. Step 3: Cross multiply
    2,591.21x = 3,881.61 × 1,202.64
  4. Step 4: Simplify right side
    2,591.21x = 4,668,179.45
  5. Step 5: Solve for x
    x = 4,668,179.45/2,591.21
  6. Step 6: Final answer
    x = 1,801.55

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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.