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Finding the Fourth Proportional to 3,464.43, 5,196 and 931.56

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Solution

The fourth proportional to 3,464.43, 5,196 and 931.56 is: 1,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.43 : 5,196 = 931.56 : x
  2. Step 2: Convert to fraction form
    3,464.43/5,196 = 931.56/x
  3. Step 3: Cross multiply
    3,464.43x = 5,196 × 931.56
  4. Step 4: Simplify right side
    3,464.43x = 4,840,385.76
  5. Step 5: Solve for x
    x = 4,840,385.76/3,464.43
  6. Step 6: Final answer
    x = 1,397.17

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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.