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Finding the Fourth Proportional to 3,255.52, 4,882.76 and 946.48

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Solution

The fourth proportional to 3,255.52, 4,882.76 and 946.48 is: 1,419.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.52 : 4,882.76 = 946.48 : x
  2. Step 2: Convert to fraction form
    3,255.52/4,882.76 = 946.48/x
  3. Step 3: Cross multiply
    3,255.52x = 4,882.76 × 946.48
  4. Step 4: Simplify right side
    3,255.52x = 4,621,434.68
  5. Step 5: Solve for x
    x = 4,621,434.68/3,255.52
  6. Step 6: Final answer
    x = 1,419.57

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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.