Home / 3,849.39-5,770.62-1,383.63

Finding the Fourth Proportional to 3,849.39, 5,770.62 and 1,383.63

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Solution

The fourth proportional to 3,849.39, 5,770.62 and 1,383.63 is: 2,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.39 : 5,770.62 = 1,383.63 : x
  2. Step 2: Convert to fraction form
    3,849.39/5,770.62 = 1,383.63/x
  3. Step 3: Cross multiply
    3,849.39x = 5,770.62 × 1,383.63
  4. Step 4: Simplify right side
    3,849.39x = 7,984,402.95
  5. Step 5: Solve for x
    x = 7,984,402.95/3,849.39
  6. Step 6: Final answer
    x = 2,074.20

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1.5x scale

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.