Home / 2,636.57-3,956.21-1,176.68

Finding the Fourth Proportional to 2,636.57, 3,956.21 and 1,176.68

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Solution

The fourth proportional to 2,636.57, 3,956.21 and 1,176.68 is: 1,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.57 : 3,956.21 = 1,176.68 : x
  2. Step 2: Convert to fraction form
    2,636.57/3,956.21 = 1,176.68/x
  3. Step 3: Cross multiply
    2,636.57x = 3,956.21 × 1,176.68
  4. Step 4: Simplify right side
    2,636.57x = 4,655,193.18
  5. Step 5: Solve for x
    x = 4,655,193.18/2,636.57
  6. Step 6: Final answer
    x = 1,765.62

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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.