Home / 3,106.38-4,659.97-1,131.70

Finding the Fourth Proportional to 3,106.38, 4,659.97 and 1,131.70

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Solution

The fourth proportional to 3,106.38, 4,659.97 and 1,131.70 is: 1,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.38 : 4,659.97 = 1,131.70 : x
  2. Step 2: Convert to fraction form
    3,106.38/4,659.97 = 1,131.70/x
  3. Step 3: Cross multiply
    3,106.38x = 4,659.97 × 1,131.70
  4. Step 4: Simplify right side
    3,106.38x = 5,273,692.74
  5. Step 5: Solve for x
    x = 5,273,692.74/3,106.38
  6. Step 6: Final answer
    x = 1,697.70

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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.