Home / 3,211.28-4,816.92-1,651.04

Finding the Fourth Proportional to 3,211.28, 4,816.92 and 1,651.04

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Solution

The fourth proportional to 3,211.28, 4,816.92 and 1,651.04 is: 2,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.28 : 4,816.92 = 1,651.04 : x
  2. Step 2: Convert to fraction form
    3,211.28/4,816.92 = 1,651.04/x
  3. Step 3: Cross multiply
    3,211.28x = 4,816.92 × 1,651.04
  4. Step 4: Simplify right side
    3,211.28x = 7,952,927.60
  5. Step 5: Solve for x
    x = 7,952,927.60/3,211.28
  6. Step 6: Final answer
    x = 2,476.56

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Similar ratio
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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.