Home / 3,375.16-5,058.90-1,639.80

Finding the Fourth Proportional to 3,375.16, 5,058.90 and 1,639.80

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Solution

The fourth proportional to 3,375.16, 5,058.90 and 1,639.80 is: 2,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.16 : 5,058.90 = 1,639.80 : x
  2. Step 2: Convert to fraction form
    3,375.16/5,058.90 = 1,639.80/x
  3. Step 3: Cross multiply
    3,375.16x = 5,058.90 × 1,639.80
  4. Step 4: Simplify right side
    3,375.16x = 8,295,584.22
  5. Step 5: Solve for x
    x = 8,295,584.22/3,375.16
  6. Step 6: Final answer
    x = 2,457.83

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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.