Home / 2,785.43-4,176.70-837.38

Finding the Fourth Proportional to 2,785.43, 4,176.70 and 837.38

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Solution

The fourth proportional to 2,785.43, 4,176.70 and 837.38 is: 1,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.43 : 4,176.70 = 837.38 : x
  2. Step 2: Convert to fraction form
    2,785.43/4,176.70 = 837.38/x
  3. Step 3: Cross multiply
    2,785.43x = 4,176.70 × 837.38
  4. Step 4: Simplify right side
    2,785.43x = 3,497,485.05
  5. Step 5: Solve for x
    x = 3,497,485.05/2,785.43
  6. Step 6: Final answer
    x = 1,255.64

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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.