Home / 2,957.27-4,080.94-1,631

Finding the Fourth Proportional to 2,957.27, 4,080.94 and 1,631

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Solution

The fourth proportional to 2,957.27, 4,080.94 and 1,631 is: 2,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.27 : 4,080.94 = 1,631 : x
  2. Step 2: Convert to fraction form
    2,957.27/4,080.94 = 1,631/x
  3. Step 3: Cross multiply
    2,957.27x = 4,080.94 × 1,631
  4. Step 4: Simplify right side
    2,957.27x = 6,656,013.14
  5. Step 5: Solve for x
    x = 6,656,013.14/2,957.27
  6. Step 6: Final answer
    x = 2,250.73

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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.