Home / 3,312.20-4,969.66-1,669.22

Finding the Fourth Proportional to 3,312.20, 4,969.66 and 1,669.22

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Solution

The fourth proportional to 3,312.20, 4,969.66 and 1,669.22 is: 2,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.20 : 4,969.66 = 1,669.22 : x
  2. Step 2: Convert to fraction form
    3,312.20/4,969.66 = 1,669.22/x
  3. Step 3: Cross multiply
    3,312.20x = 4,969.66 × 1,669.22
  4. Step 4: Simplify right side
    3,312.20x = 8,295,455.87
  5. Step 5: Solve for x
    x = 8,295,455.87/3,312.20
  6. Step 6: Final answer
    x = 2,504.52

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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.