Home / 2,930.81-4,044.36-1,604.26

Finding the Fourth Proportional to 2,930.81, 4,044.36 and 1,604.26

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Solution

The fourth proportional to 2,930.81, 4,044.36 and 1,604.26 is: 2,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.81 : 4,044.36 = 1,604.26 : x
  2. Step 2: Convert to fraction form
    2,930.81/4,044.36 = 1,604.26/x
  3. Step 3: Cross multiply
    2,930.81x = 4,044.36 × 1,604.26
  4. Step 4: Simplify right side
    2,930.81x = 6,488,179.76
  5. Step 5: Solve for x
    x = 6,488,179.76/2,930.81
  6. Step 6: Final answer
    x = 2,213.79

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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.