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Finding the Fourth Proportional to 3,192.49, 4,788.61 and 852.49

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Solution

The fourth proportional to 3,192.49, 4,788.61 and 852.49 is: 1,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.49 : 4,788.61 = 852.49 : x
  2. Step 2: Convert to fraction form
    3,192.49/4,788.61 = 852.49/x
  3. Step 3: Cross multiply
    3,192.49x = 4,788.61 × 852.49
  4. Step 4: Simplify right side
    3,192.49x = 4,082,228.04
  5. Step 5: Solve for x
    x = 4,082,228.04/3,192.49
  6. Step 6: Final answer
    x = 1,278.70

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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.