Home / 3,539.88-5,310.72-1,348.38

Finding the Fourth Proportional to 3,539.88, 5,310.72 and 1,348.38

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Solution

The fourth proportional to 3,539.88, 5,310.72 and 1,348.38 is: 2,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.88 : 5,310.72 = 1,348.38 : x
  2. Step 2: Convert to fraction form
    3,539.88/5,310.72 = 1,348.38/x
  3. Step 3: Cross multiply
    3,539.88x = 5,310.72 × 1,348.38
  4. Step 4: Simplify right side
    3,539.88x = 7,160,868.63
  5. Step 5: Solve for x
    x = 7,160,868.63/3,539.88
  6. Step 6: Final answer
    x = 2,022.91

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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.