Home / 2,551.20-3,825.52-1,396

Finding the Fourth Proportional to 2,551.20, 3,825.52 and 1,396

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Solution

The fourth proportional to 2,551.20, 3,825.52 and 1,396 is: 2,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.20 : 3,825.52 = 1,396 : x
  2. Step 2: Convert to fraction form
    2,551.20/3,825.52 = 1,396/x
  3. Step 3: Cross multiply
    2,551.20x = 3,825.52 × 1,396
  4. Step 4: Simplify right side
    2,551.20x = 5,340,425.92
  5. Step 5: Solve for x
    x = 5,340,425.92/2,551.20
  6. Step 6: Final answer
    x = 2,093.30

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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.