Home / 3,217.88-4,824.09-1,271.45

Finding the Fourth Proportional to 3,217.88, 4,824.09 and 1,271.45

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Solution

The fourth proportional to 3,217.88, 4,824.09 and 1,271.45 is: 1,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.88 : 4,824.09 = 1,271.45 : x
  2. Step 2: Convert to fraction form
    3,217.88/4,824.09 = 1,271.45/x
  3. Step 3: Cross multiply
    3,217.88x = 4,824.09 × 1,271.45
  4. Step 4: Simplify right side
    3,217.88x = 6,133,601.29
  5. Step 5: Solve for x
    x = 6,133,601.29/3,217.88
  6. Step 6: Final answer
    x = 1,906.10

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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.