Home / 3,645.93-5,471.55-1,455.29

Finding the Fourth Proportional to 3,645.93, 5,471.55 and 1,455.29

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Solution

The fourth proportional to 3,645.93, 5,471.55 and 1,455.29 is: 2,183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.93 : 5,471.55 = 1,455.29 : x
  2. Step 2: Convert to fraction form
    3,645.93/5,471.55 = 1,455.29/x
  3. Step 3: Cross multiply
    3,645.93x = 5,471.55 × 1,455.29
  4. Step 4: Simplify right side
    3,645.93x = 7,962,692.00
  5. Step 5: Solve for x
    x = 7,962,692.00/3,645.93
  6. Step 6: Final answer
    x = 2,183.99

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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.