Home / 3,126.64-4,692.24-1,394.80

Finding the Fourth Proportional to 3,126.64, 4,692.24 and 1,394.80

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Solution

The fourth proportional to 3,126.64, 4,692.24 and 1,394.80 is: 2,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.64 : 4,692.24 = 1,394.80 : x
  2. Step 2: Convert to fraction form
    3,126.64/4,692.24 = 1,394.80/x
  3. Step 3: Cross multiply
    3,126.64x = 4,692.24 × 1,394.80
  4. Step 4: Simplify right side
    3,126.64x = 6,544,736.35
  5. Step 5: Solve for x
    x = 6,544,736.35/3,126.64
  6. Step 6: Final answer
    x = 2,093.22

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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.