Home / 3,512.84-4,847.78-1,940.94

Finding the Fourth Proportional to 3,512.84, 4,847.78 and 1,940.94

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Solution

The fourth proportional to 3,512.84, 4,847.78 and 1,940.94 is: 2,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.84 : 4,847.78 = 1,940.94 : x
  2. Step 2: Convert to fraction form
    3,512.84/4,847.78 = 1,940.94/x
  3. Step 3: Cross multiply
    3,512.84x = 4,847.78 × 1,940.94
  4. Step 4: Simplify right side
    3,512.84x = 9,409,250.11
  5. Step 5: Solve for x
    x = 9,409,250.11/3,512.84
  6. Step 6: Final answer
    x = 2,678.53

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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.