Home / 2,622.60-3,930.45-1,234.05

Finding the Fourth Proportional to 2,622.60, 3,930.45 and 1,234.05

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Solution

The fourth proportional to 2,622.60, 3,930.45 and 1,234.05 is: 1,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.60 : 3,930.45 = 1,234.05 : x
  2. Step 2: Convert to fraction form
    2,622.60/3,930.45 = 1,234.05/x
  3. Step 3: Cross multiply
    2,622.60x = 3,930.45 × 1,234.05
  4. Step 4: Simplify right side
    2,622.60x = 4,850,371.82
  5. Step 5: Solve for x
    x = 4,850,371.82/2,622.60
  6. Step 6: Final answer
    x = 1,849.45

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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.