Home / 3,126.98-4,692.10-1,179.74

Finding the Fourth Proportional to 3,126.98, 4,692.10 and 1,179.74

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Solution

The fourth proportional to 3,126.98, 4,692.10 and 1,179.74 is: 1,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.98 : 4,692.10 = 1,179.74 : x
  2. Step 2: Convert to fraction form
    3,126.98/4,692.10 = 1,179.74/x
  3. Step 3: Cross multiply
    3,126.98x = 4,692.10 × 1,179.74
  4. Step 4: Simplify right side
    3,126.98x = 5,535,458.05
  5. Step 5: Solve for x
    x = 5,535,458.05/3,126.98
  6. Step 6: Final answer
    x = 1,770.22

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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.