Home / 3,763.35-5,189.34-3,165.68

Finding the Fourth Proportional to 3,763.35, 5,189.34 and 3,165.68

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Solution

The fourth proportional to 3,763.35, 5,189.34 and 3,165.68 is: 4,365.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.35 : 5,189.34 = 3,165.68 : x
  2. Step 2: Convert to fraction form
    3,763.35/5,189.34 = 3,165.68/x
  3. Step 3: Cross multiply
    3,763.35x = 5,189.34 × 3,165.68
  4. Step 4: Simplify right side
    3,763.35x = 16,427,805.79
  5. Step 5: Solve for x
    x = 16,427,805.79/3,763.35
  6. Step 6: Final answer
    x = 4,365.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.