Home / 3,151.95-4,728.66-2,229.36

Finding the Fourth Proportional to 3,151.95, 4,728.66 and 2,229.36

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Solution

The fourth proportional to 3,151.95, 4,728.66 and 2,229.36 is: 3,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.95 : 4,728.66 = 2,229.36 : x
  2. Step 2: Convert to fraction form
    3,151.95/4,728.66 = 2,229.36/x
  3. Step 3: Cross multiply
    3,151.95x = 4,728.66 × 2,229.36
  4. Step 4: Simplify right side
    3,151.95x = 10,541,885.46
  5. Step 5: Solve for x
    x = 10,541,885.46/3,151.95
  6. Step 6: Final answer
    x = 3,344.56

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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.