Home / 3,546.31-5,314.75-1,880.09

Finding the Fourth Proportional to 3,546.31, 5,314.75 and 1,880.09

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Solution

The fourth proportional to 3,546.31, 5,314.75 and 1,880.09 is: 2,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.31 : 5,314.75 = 1,880.09 : x
  2. Step 2: Convert to fraction form
    3,546.31/5,314.75 = 1,880.09/x
  3. Step 3: Cross multiply
    3,546.31x = 5,314.75 × 1,880.09
  4. Step 4: Simplify right side
    3,546.31x = 9,992,223.60
  5. Step 5: Solve for x
    x = 9,992,223.60/3,546.31
  6. Step 6: Final answer
    x = 2,817.64

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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.