Home / 3,849.09-5,773.11-1,383.57

Finding the Fourth Proportional to 3,849.09, 5,773.11 and 1,383.57

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Solution

The fourth proportional to 3,849.09, 5,773.11 and 1,383.57 is: 2,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.09 : 5,773.11 = 1,383.57 : x
  2. Step 2: Convert to fraction form
    3,849.09/5,773.11 = 1,383.57/x
  3. Step 3: Cross multiply
    3,849.09x = 5,773.11 × 1,383.57
  4. Step 4: Simplify right side
    3,849.09x = 7,987,501.80
  5. Step 5: Solve for x
    x = 7,987,501.80/3,849.09
  6. Step 6: Final answer
    x = 2,075.17

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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.