Home / 2,551.32-3,825.14-1,253.70

Finding the Fourth Proportional to 2,551.32, 3,825.14 and 1,253.70

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Solution

The fourth proportional to 2,551.32, 3,825.14 and 1,253.70 is: 1,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.32 : 3,825.14 = 1,253.70 : x
  2. Step 2: Convert to fraction form
    2,551.32/3,825.14 = 1,253.70/x
  3. Step 3: Cross multiply
    2,551.32x = 3,825.14 × 1,253.70
  4. Step 4: Simplify right side
    2,551.32x = 4,795,578.02
  5. Step 5: Solve for x
    x = 4,795,578.02/2,551.32
  6. Step 6: Final answer
    x = 1,879.65

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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.