Home / 3,849.87-5,774.18-1,384.23

Finding the Fourth Proportional to 3,849.87, 5,774.18 and 1,384.23

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Solution

The fourth proportional to 3,849.87, 5,774.18 and 1,384.23 is: 2,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.87 : 5,774.18 = 1,384.23 : x
  2. Step 2: Convert to fraction form
    3,849.87/5,774.18 = 1,384.23/x
  3. Step 3: Cross multiply
    3,849.87x = 5,774.18 × 1,384.23
  4. Step 4: Simplify right side
    3,849.87x = 7,992,786.26
  5. Step 5: Solve for x
    x = 7,992,786.26/3,849.87
  6. Step 6: Final answer
    x = 2,076.12

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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.