Home / 2,636.72-3,961.20-2,495

Finding the Fourth Proportional to 2,636.72, 3,961.20 and 2,495

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Solution

The fourth proportional to 2,636.72, 3,961.20 and 2,495 is: 3,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.72 : 3,961.20 = 2,495 : x
  2. Step 2: Convert to fraction form
    2,636.72/3,961.20 = 2,495/x
  3. Step 3: Cross multiply
    2,636.72x = 3,961.20 × 2,495
  4. Step 4: Simplify right side
    2,636.72x = 9,883,194
  5. Step 5: Solve for x
    x = 9,883,194/2,636.72
  6. Step 6: Final answer
    x = 3,748.30

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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.