Home / 3,512.64-5,269.36-1,172.95

Finding the Fourth Proportional to 3,512.64, 5,269.36 and 1,172.95

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Solution

The fourth proportional to 3,512.64, 5,269.36 and 1,172.95 is: 1,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.64 : 5,269.36 = 1,172.95 : x
  2. Step 2: Convert to fraction form
    3,512.64/5,269.36 = 1,172.95/x
  3. Step 3: Cross multiply
    3,512.64x = 5,269.36 × 1,172.95
  4. Step 4: Simplify right side
    3,512.64x = 6,180,692.88
  5. Step 5: Solve for x
    x = 6,180,692.88/3,512.64
  6. Step 6: Final answer
    x = 1,759.56

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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.