Home / 3,512.20-4,846.90-1,940.26

Finding the Fourth Proportional to 3,512.20, 4,846.90 and 1,940.26

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Solution

The fourth proportional to 3,512.20, 4,846.90 and 1,940.26 is: 2,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.20 : 4,846.90 = 1,940.26 : x
  2. Step 2: Convert to fraction form
    3,512.20/4,846.90 = 1,940.26/x
  3. Step 3: Cross multiply
    3,512.20x = 4,846.90 × 1,940.26
  4. Step 4: Simplify right side
    3,512.20x = 9,404,246.19
  5. Step 5: Solve for x
    x = 9,404,246.19/3,512.20
  6. Step 6: Final answer
    x = 2,677.59

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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.