Home / 2,634.87-3,951.09-1,539.57

Finding the Fourth Proportional to 2,634.87, 3,951.09 and 1,539.57

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Solution

The fourth proportional to 2,634.87, 3,951.09 and 1,539.57 is: 2,308.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.87 : 3,951.09 = 1,539.57 : x
  2. Step 2: Convert to fraction form
    2,634.87/3,951.09 = 1,539.57/x
  3. Step 3: Cross multiply
    2,634.87x = 3,951.09 × 1,539.57
  4. Step 4: Simplify right side
    2,634.87x = 6,082,979.63
  5. Step 5: Solve for x
    x = 6,082,979.63/2,634.87
  6. Step 6: Final answer
    x = 2,308.65

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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.