Home / 3,282.32-4,923.64-3,146.64

Finding the Fourth Proportional to 3,282.32, 4,923.64 and 3,146.64

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Solution

The fourth proportional to 3,282.32, 4,923.64 and 3,146.64 is: 4,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.32 : 4,923.64 = 3,146.64 : x
  2. Step 2: Convert to fraction form
    3,282.32/4,923.64 = 3,146.64/x
  3. Step 3: Cross multiply
    3,282.32x = 4,923.64 × 3,146.64
  4. Step 4: Simplify right side
    3,282.32x = 15,492,922.57
  5. Step 5: Solve for x
    x = 15,492,922.57/3,282.32
  6. Step 6: Final answer
    x = 4,720.11

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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.