Home / 3,227.48-4,834.20-1,995.20

Finding the Fourth Proportional to 3,227.48, 4,834.20 and 1,995.20

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Solution

The fourth proportional to 3,227.48, 4,834.20 and 1,995.20 is: 2,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.48 : 4,834.20 = 1,995.20 : x
  2. Step 2: Convert to fraction form
    3,227.48/4,834.20 = 1,995.20/x
  3. Step 3: Cross multiply
    3,227.48x = 4,834.20 × 1,995.20
  4. Step 4: Simplify right side
    3,227.48x = 9,645,195.84
  5. Step 5: Solve for x
    x = 9,645,195.84/3,227.48
  6. Step 6: Final answer
    x = 2,988.46

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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.