Home / 3,162.64-4,364.58-1,765.48

Finding the Fourth Proportional to 3,162.64, 4,364.58 and 1,765.48

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Solution

The fourth proportional to 3,162.64, 4,364.58 and 1,765.48 is: 2,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.64 : 4,364.58 = 1,765.48 : x
  2. Step 2: Convert to fraction form
    3,162.64/4,364.58 = 1,765.48/x
  3. Step 3: Cross multiply
    3,162.64x = 4,364.58 × 1,765.48
  4. Step 4: Simplify right side
    3,162.64x = 7,705,578.70
  5. Step 5: Solve for x
    x = 7,705,578.70/3,162.64
  6. Step 6: Final answer
    x = 2,436.44

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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.