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Finding the Fourth Proportional to 3,196.50, 4,795.02 and 888

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Solution

The fourth proportional to 3,196.50, 4,795.02 and 888 is: 1,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.50 : 4,795.02 = 888 : x
  2. Step 2: Convert to fraction form
    3,196.50/4,795.02 = 888/x
  3. Step 3: Cross multiply
    3,196.50x = 4,795.02 × 888
  4. Step 4: Simplify right side
    3,196.50x = 4,257,977.76
  5. Step 5: Solve for x
    x = 4,257,977.76/3,196.50
  6. Step 6: Final answer
    x = 1,332.08

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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.