Home / 1,944.81-2,915.19-1,456.38

Finding the Fourth Proportional to 1,944.81, 2,915.19 and 1,456.38

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Solution

The fourth proportional to 1,944.81, 2,915.19 and 1,456.38 is: 2,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.81 : 2,915.19 = 1,456.38 : x
  2. Step 2: Convert to fraction form
    1,944.81/2,915.19 = 1,456.38/x
  3. Step 3: Cross multiply
    1,944.81x = 2,915.19 × 1,456.38
  4. Step 4: Simplify right side
    1,944.81x = 4,245,624.41
  5. Step 5: Solve for x
    x = 4,245,624.41/1,944.81
  6. Step 6: Final answer
    x = 2,183.05

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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.