Home / 2,930.50-4,044.09-1,604.29

Finding the Fourth Proportional to 2,930.50, 4,044.09 and 1,604.29

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Solution

The fourth proportional to 2,930.50, 4,044.09 and 1,604.29 is: 2,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.50 : 4,044.09 = 1,604.29 : x
  2. Step 2: Convert to fraction form
    2,930.50/4,044.09 = 1,604.29/x
  3. Step 3: Cross multiply
    2,930.50x = 4,044.09 × 1,604.29
  4. Step 4: Simplify right side
    2,930.50x = 6,487,876.94
  5. Step 5: Solve for x
    x = 6,487,876.94/2,930.50
  6. Step 6: Final answer
    x = 2,213.92

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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.