Home / 3,847.80-5,307.96-2,273.16

Finding the Fourth Proportional to 3,847.80, 5,307.96 and 2,273.16

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Solution

The fourth proportional to 3,847.80, 5,307.96 and 2,273.16 is: 3,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.80 : 5,307.96 = 2,273.16 : x
  2. Step 2: Convert to fraction form
    3,847.80/5,307.96 = 2,273.16/x
  3. Step 3: Cross multiply
    3,847.80x = 5,307.96 × 2,273.16
  4. Step 4: Simplify right side
    3,847.80x = 12,065,842.35
  5. Step 5: Solve for x
    x = 12,065,842.35/3,847.80
  6. Step 6: Final answer
    x = 3,135.78

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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.