Home / 3,217.47-4,828.10-1,270.23

Finding the Fourth Proportional to 3,217.47, 4,828.10 and 1,270.23

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Solution

The fourth proportional to 3,217.47, 4,828.10 and 1,270.23 is: 1,906.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.47 : 4,828.10 = 1,270.23 : x
  2. Step 2: Convert to fraction form
    3,217.47/4,828.10 = 1,270.23/x
  3. Step 3: Cross multiply
    3,217.47x = 4,828.10 × 1,270.23
  4. Step 4: Simplify right side
    3,217.47x = 6,132,791.11
  5. Step 5: Solve for x
    x = 6,132,791.11/3,217.47
  6. Step 6: Final answer
    x = 1,906.09

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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.