Home / 4,176.23-6,255.83-1,978.29

Finding the Fourth Proportional to 4,176.23, 6,255.83 and 1,978.29

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Solution

The fourth proportional to 4,176.23, 6,255.83 and 1,978.29 is: 2,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.23 : 6,255.83 = 1,978.29 : x
  2. Step 2: Convert to fraction form
    4,176.23/6,255.83 = 1,978.29/x
  3. Step 3: Cross multiply
    4,176.23x = 6,255.83 × 1,978.29
  4. Step 4: Simplify right side
    4,176.23x = 12,375,836.04
  5. Step 5: Solve for x
    x = 12,375,836.04/4,176.23
  6. Step 6: Final answer
    x = 2,963.40

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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.