Home / 2,930.72-4,044.38-1,604.43

Finding the Fourth Proportional to 2,930.72, 4,044.38 and 1,604.43

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Solution

The fourth proportional to 2,930.72, 4,044.38 and 1,604.43 is: 2,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.72 : 4,044.38 = 1,604.43 : x
  2. Step 2: Convert to fraction form
    2,930.72/4,044.38 = 1,604.43/x
  3. Step 3: Cross multiply
    2,930.72x = 4,044.38 × 1,604.43
  4. Step 4: Simplify right side
    2,930.72x = 6,488,916.58
  5. Step 5: Solve for x
    x = 6,488,916.58/2,930.72
  6. Step 6: Final answer
    x = 2,214.11

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1.5x scale

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.