Home / 3,146.20-4,721.68-2,537.22

Finding the Fourth Proportional to 3,146.20, 4,721.68 and 2,537.22

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Solution

The fourth proportional to 3,146.20, 4,721.68 and 2,537.22 is: 3,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.20 : 4,721.68 = 2,537.22 : x
  2. Step 2: Convert to fraction form
    3,146.20/4,721.68 = 2,537.22/x
  3. Step 3: Cross multiply
    3,146.20x = 4,721.68 × 2,537.22
  4. Step 4: Simplify right side
    3,146.20x = 11,979,940.93
  5. Step 5: Solve for x
    x = 11,979,940.93/3,146.20
  6. Step 6: Final answer
    x = 3,807.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.