Home / 3,294.28-4,940.46-2,146.12

Finding the Fourth Proportional to 3,294.28, 4,940.46 and 2,146.12

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Solution

The fourth proportional to 3,294.28, 4,940.46 and 2,146.12 is: 3,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.28 : 4,940.46 = 2,146.12 : x
  2. Step 2: Convert to fraction form
    3,294.28/4,940.46 = 2,146.12/x
  3. Step 3: Cross multiply
    3,294.28x = 4,940.46 × 2,146.12
  4. Step 4: Simplify right side
    3,294.28x = 10,602,820.02
  5. Step 5: Solve for x
    x = 10,602,820.02/3,294.28
  6. Step 6: Final answer
    x = 3,218.55

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1.5x scale

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.