Home / 2,460.21-3,690.71-1,227.66

Finding the Fourth Proportional to 2,460.21, 3,690.71 and 1,227.66

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Solution

The fourth proportional to 2,460.21, 3,690.71 and 1,227.66 is: 1,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.21 : 3,690.71 = 1,227.66 : x
  2. Step 2: Convert to fraction form
    2,460.21/3,690.71 = 1,227.66/x
  3. Step 3: Cross multiply
    2,460.21x = 3,690.71 × 1,227.66
  4. Step 4: Simplify right side
    2,460.21x = 4,530,930.90
  5. Step 5: Solve for x
    x = 4,530,930.90/2,460.21
  6. Step 6: Final answer
    x = 1,841.68

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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.