Home / 2,651.51-3,976.83-1,007.66

Finding the Fourth Proportional to 2,651.51, 3,976.83 and 1,007.66

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Solution

The fourth proportional to 2,651.51, 3,976.83 and 1,007.66 is: 1,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.51 : 3,976.83 = 1,007.66 : x
  2. Step 2: Convert to fraction form
    2,651.51/3,976.83 = 1,007.66/x
  3. Step 3: Cross multiply
    2,651.51x = 3,976.83 × 1,007.66
  4. Step 4: Simplify right side
    2,651.51x = 4,007,272.63
  5. Step 5: Solve for x
    x = 4,007,272.63/2,651.51
  6. Step 6: Final answer
    x = 1,511.32

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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.