Home / 3,177.62-4,766.75-1,329.32

Finding the Fourth Proportional to 3,177.62, 4,766.75 and 1,329.32

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Solution

The fourth proportional to 3,177.62, 4,766.75 and 1,329.32 is: 1,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.62 : 4,766.75 = 1,329.32 : x
  2. Step 2: Convert to fraction form
    3,177.62/4,766.75 = 1,329.32/x
  3. Step 3: Cross multiply
    3,177.62x = 4,766.75 × 1,329.32
  4. Step 4: Simplify right side
    3,177.62x = 6,336,505.63
  5. Step 5: Solve for x
    x = 6,336,505.63/3,177.62
  6. Step 6: Final answer
    x = 1,994.11

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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.