Home / 2,930.82-4,392.05-2,269.61

Finding the Fourth Proportional to 2,930.82, 4,392.05 and 2,269.61

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Solution

The fourth proportional to 2,930.82, 4,392.05 and 2,269.61 is: 3,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.82 : 4,392.05 = 2,269.61 : x
  2. Step 2: Convert to fraction form
    2,930.82/4,392.05 = 2,269.61/x
  3. Step 3: Cross multiply
    2,930.82x = 4,392.05 × 2,269.61
  4. Step 4: Simplify right side
    2,930.82x = 9,968,240.60
  5. Step 5: Solve for x
    x = 9,968,240.60/2,930.82
  6. Step 6: Final answer
    x = 3,401.18

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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.