Home / 3,847.82-5,310.05-2,169.24

Finding the Fourth Proportional to 3,847.82, 5,310.05 and 2,169.24

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Solution

The fourth proportional to 3,847.82, 5,310.05 and 2,169.24 is: 2,993.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.82 : 5,310.05 = 2,169.24 : x
  2. Step 2: Convert to fraction form
    3,847.82/5,310.05 = 2,169.24/x
  3. Step 3: Cross multiply
    3,847.82x = 5,310.05 × 2,169.24
  4. Step 4: Simplify right side
    3,847.82x = 11,518,762.02
  5. Step 5: Solve for x
    x = 11,518,762.02/3,847.82
  6. Step 6: Final answer
    x = 2,993.59

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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.