Home / 2,930.84-4,044.39-1,604.57

Finding the Fourth Proportional to 2,930.84, 4,044.39 and 1,604.57

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Solution

The fourth proportional to 2,930.84, 4,044.39 and 1,604.57 is: 2,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.84 : 4,044.39 = 1,604.57 : x
  2. Step 2: Convert to fraction form
    2,930.84/4,044.39 = 1,604.57/x
  3. Step 3: Cross multiply
    2,930.84x = 4,044.39 × 1,604.57
  4. Step 4: Simplify right side
    2,930.84x = 6,489,506.86
  5. Step 5: Solve for x
    x = 6,489,506.86/2,930.84
  6. Step 6: Final answer
    x = 2,214.21

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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.