Home / 3,270.66-4,514.76-2,276.48

Finding the Fourth Proportional to 3,270.66, 4,514.76 and 2,276.48

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Solution

The fourth proportional to 3,270.66, 4,514.76 and 2,276.48 is: 3,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.66 : 4,514.76 = 2,276.48 : x
  2. Step 2: Convert to fraction form
    3,270.66/4,514.76 = 2,276.48/x
  3. Step 3: Cross multiply
    3,270.66x = 4,514.76 × 2,276.48
  4. Step 4: Simplify right side
    3,270.66x = 10,277,760.84
  5. Step 5: Solve for x
    x = 10,277,760.84/3,270.66
  6. Step 6: Final answer
    x = 3,142.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.