Home / 3,310.28-4,571.24-2,133.40

Finding the Fourth Proportional to 3,310.28, 4,571.24 and 2,133.40

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Solution

The fourth proportional to 3,310.28, 4,571.24 and 2,133.40 is: 2,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.28 : 4,571.24 = 2,133.40 : x
  2. Step 2: Convert to fraction form
    3,310.28/4,571.24 = 2,133.40/x
  3. Step 3: Cross multiply
    3,310.28x = 4,571.24 × 2,133.40
  4. Step 4: Simplify right side
    3,310.28x = 9,752,283.42
  5. Step 5: Solve for x
    x = 9,752,283.42/3,310.28
  6. Step 6: Final answer
    x = 2,946.06

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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.