Home / 2,511.36-3,757.32-1,782.36

Finding the Fourth Proportional to 2,511.36, 3,757.32 and 1,782.36

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Solution

The fourth proportional to 2,511.36, 3,757.32 and 1,782.36 is: 2,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.36 : 3,757.32 = 1,782.36 : x
  2. Step 2: Convert to fraction form
    2,511.36/3,757.32 = 1,782.36/x
  3. Step 3: Cross multiply
    2,511.36x = 3,757.32 × 1,782.36
  4. Step 4: Simplify right side
    2,511.36x = 6,696,896.88
  5. Step 5: Solve for x
    x = 6,696,896.88/2,511.36
  6. Step 6: Final answer
    x = 2,666.64

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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.