Home / 2,742.60-4,115.82-1,099.62

Finding the Fourth Proportional to 2,742.60, 4,115.82 and 1,099.62

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Solution

The fourth proportional to 2,742.60, 4,115.82 and 1,099.62 is: 1,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.60 : 4,115.82 = 1,099.62 : x
  2. Step 2: Convert to fraction form
    2,742.60/4,115.82 = 1,099.62/x
  3. Step 3: Cross multiply
    2,742.60x = 4,115.82 × 1,099.62
  4. Step 4: Simplify right side
    2,742.60x = 4,525,837.99
  5. Step 5: Solve for x
    x = 4,525,837.99/2,742.60
  6. Step 6: Final answer
    x = 1,650.20

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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.