Home / 3,640.14-5,451.30-1,692.90

Finding the Fourth Proportional to 3,640.14, 5,451.30 and 1,692.90

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Solution

The fourth proportional to 3,640.14, 5,451.30 and 1,692.90 is: 2,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.14 : 5,451.30 = 1,692.90 : x
  2. Step 2: Convert to fraction form
    3,640.14/5,451.30 = 1,692.90/x
  3. Step 3: Cross multiply
    3,640.14x = 5,451.30 × 1,692.90
  4. Step 4: Simplify right side
    3,640.14x = 9,228,505.77
  5. Step 5: Solve for x
    x = 9,228,505.77/3,640.14
  6. Step 6: Final answer
    x = 2,535.21

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1.5x scale

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.