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Finding the Fourth Proportional to 3,284.64, 4,926.24 and 976.56

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Solution

The fourth proportional to 3,284.64, 4,926.24 and 976.56 is: 1,464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.64 : 4,926.24 = 976.56 : x
  2. Step 2: Convert to fraction form
    3,284.64/4,926.24 = 976.56/x
  3. Step 3: Cross multiply
    3,284.64x = 4,926.24 × 976.56
  4. Step 4: Simplify right side
    3,284.64x = 4,810,768.93
  5. Step 5: Solve for x
    x = 4,810,768.93/3,284.64
  6. Step 6: Final answer
    x = 1,464.63

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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.