Home / 3,162.69-4,364.55-1,765.44

Finding the Fourth Proportional to 3,162.69, 4,364.55 and 1,765.44

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Solution

The fourth proportional to 3,162.69, 4,364.55 and 1,765.44 is: 2,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.69 : 4,364.55 = 1,765.44 : x
  2. Step 2: Convert to fraction form
    3,162.69/4,364.55 = 1,765.44/x
  3. Step 3: Cross multiply
    3,162.69x = 4,364.55 × 1,765.44
  4. Step 4: Simplify right side
    3,162.69x = 7,705,351.15
  5. Step 5: Solve for x
    x = 7,705,351.15/3,162.69
  6. Step 6: Final answer
    x = 2,436.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.