Home / 3,669.12-5,505.48-2,025.72

Finding the Fourth Proportional to 3,669.12, 5,505.48 and 2,025.72

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Solution

The fourth proportional to 3,669.12, 5,505.48 and 2,025.72 is: 3,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.12 : 5,505.48 = 2,025.72 : x
  2. Step 2: Convert to fraction form
    3,669.12/5,505.48 = 2,025.72/x
  3. Step 3: Cross multiply
    3,669.12x = 5,505.48 × 2,025.72
  4. Step 4: Simplify right side
    3,669.12x = 11,152,560.95
  5. Step 5: Solve for x
    x = 11,152,560.95/3,669.12
  6. Step 6: Final answer
    x = 3,039.57

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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.