Home / 2,934.72-4,049.76-1,608.18

Finding the Fourth Proportional to 2,934.72, 4,049.76 and 1,608.18

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Solution

The fourth proportional to 2,934.72, 4,049.76 and 1,608.18 is: 2,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.72 : 4,049.76 = 1,608.18 : x
  2. Step 2: Convert to fraction form
    2,934.72/4,049.76 = 1,608.18/x
  3. Step 3: Cross multiply
    2,934.72x = 4,049.76 × 1,608.18
  4. Step 4: Simplify right side
    2,934.72x = 6,512,743.04
  5. Step 5: Solve for x
    x = 6,512,743.04/2,934.72
  6. Step 6: Final answer
    x = 2,219.20

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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.