Home / 3,158.71-4,730.77-1,769.97

Finding the Fourth Proportional to 3,158.71, 4,730.77 and 1,769.97

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Solution

The fourth proportional to 3,158.71, 4,730.77 and 1,769.97 is: 2,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.71 : 4,730.77 = 1,769.97 : x
  2. Step 2: Convert to fraction form
    3,158.71/4,730.77 = 1,769.97/x
  3. Step 3: Cross multiply
    3,158.71x = 4,730.77 × 1,769.97
  4. Step 4: Simplify right side
    3,158.71x = 8,373,320.98
  5. Step 5: Solve for x
    x = 8,373,320.98/3,158.71
  6. Step 6: Final answer
    x = 2,650.87

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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.