Home / 3,276-4,913.12-935.68

Finding the Fourth Proportional to 3,276, 4,913.12 and 935.68

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Solution

The fourth proportional to 3,276, 4,913.12 and 935.68 is: 1,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276 : 4,913.12 = 935.68 : x
  2. Step 2: Convert to fraction form
    3,276/4,913.12 = 935.68/x
  3. Step 3: Cross multiply
    3,276x = 4,913.12 × 935.68
  4. Step 4: Simplify right side
    3,276x = 4,597,108.12
  5. Step 5: Solve for x
    x = 4,597,108.12/3,276
  6. Step 6: Final answer
    x = 1,403.27

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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.