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Finding the Fourth Proportional to 3,006.76, 4,148.94 and 1,960.24

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Solution

The fourth proportional to 3,006.76, 4,148.94 and 1,960.24 is: 2,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.76 : 4,148.94 = 1,960.24 : x
  2. Step 2: Convert to fraction form
    3,006.76/4,148.94 = 1,960.24/x
  3. Step 3: Cross multiply
    3,006.76x = 4,148.94 × 1,960.24
  4. Step 4: Simplify right side
    3,006.76x = 8,132,918.15
  5. Step 5: Solve for x
    x = 8,132,918.15/3,006.76
  6. Step 6: Final answer
    x = 2,704.88

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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.