Home / 3,227.23-4,839.90-1,147.69

Finding the Fourth Proportional to 3,227.23, 4,839.90 and 1,147.69

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Solution

The fourth proportional to 3,227.23, 4,839.90 and 1,147.69 is: 1,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.23 : 4,839.90 = 1,147.69 : x
  2. Step 2: Convert to fraction form
    3,227.23/4,839.90 = 1,147.69/x
  3. Step 3: Cross multiply
    3,227.23x = 4,839.90 × 1,147.69
  4. Step 4: Simplify right side
    3,227.23x = 5,554,704.83
  5. Step 5: Solve for x
    x = 5,554,704.83/3,227.23
  6. Step 6: Final answer
    x = 1,721.20

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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.