Home / 2,930.85-4,044.60-1,604.55

Finding the Fourth Proportional to 2,930.85, 4,044.60 and 1,604.55

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Solution

The fourth proportional to 2,930.85, 4,044.60 and 1,604.55 is: 2,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.85 : 4,044.60 = 1,604.55 : x
  2. Step 2: Convert to fraction form
    2,930.85/4,044.60 = 1,604.55/x
  3. Step 3: Cross multiply
    2,930.85x = 4,044.60 × 1,604.55
  4. Step 4: Simplify right side
    2,930.85x = 6,489,778.10
  5. Step 5: Solve for x
    x = 6,489,778.10/2,930.85
  6. Step 6: Final answer
    x = 2,214.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.