Home / 2,608.64-3,910.56-1,511.36

Finding the Fourth Proportional to 2,608.64, 3,910.56 and 1,511.36

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Solution

The fourth proportional to 2,608.64, 3,910.56 and 1,511.36 is: 2,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.64 : 3,910.56 = 1,511.36 : x
  2. Step 2: Convert to fraction form
    2,608.64/3,910.56 = 1,511.36/x
  3. Step 3: Cross multiply
    2,608.64x = 3,910.56 × 1,511.36
  4. Step 4: Simplify right side
    2,608.64x = 5,910,263.96
  5. Step 5: Solve for x
    x = 5,910,263.96/2,608.64
  6. Step 6: Final answer
    x = 2,265.65

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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.