Home / 2,930.45-4,044.15-1,604.25

Finding the Fourth Proportional to 2,930.45, 4,044.15 and 1,604.25

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Solution

The fourth proportional to 2,930.45, 4,044.15 and 1,604.25 is: 2,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.45 : 4,044.15 = 1,604.25 : x
  2. Step 2: Convert to fraction form
    2,930.45/4,044.15 = 1,604.25/x
  3. Step 3: Cross multiply
    2,930.45x = 4,044.15 × 1,604.25
  4. Step 4: Simplify right side
    2,930.45x = 6,487,827.64
  5. Step 5: Solve for x
    x = 6,487,827.64/2,930.45
  6. Step 6: Final answer
    x = 2,213.94

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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.