Home / 2,651.51-3,974.45-1,263.75

Finding the Fourth Proportional to 2,651.51, 3,974.45 and 1,263.75

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Solution

The fourth proportional to 2,651.51, 3,974.45 and 1,263.75 is: 1,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.51 : 3,974.45 = 1,263.75 : x
  2. Step 2: Convert to fraction form
    2,651.51/3,974.45 = 1,263.75/x
  3. Step 3: Cross multiply
    2,651.51x = 3,974.45 × 1,263.75
  4. Step 4: Simplify right side
    2,651.51x = 5,022,704.87
  5. Step 5: Solve for x
    x = 5,022,704.87/2,651.51
  6. Step 6: Final answer
    x = 1,894.28

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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.