Home / 3,821.77-5,274.89-2,329.75

Finding the Fourth Proportional to 3,821.77, 5,274.89 and 2,329.75

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Solution

The fourth proportional to 3,821.77, 5,274.89 and 2,329.75 is: 3,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.77 : 5,274.89 = 2,329.75 : x
  2. Step 2: Convert to fraction form
    3,821.77/5,274.89 = 2,329.75/x
  3. Step 3: Cross multiply
    3,821.77x = 5,274.89 × 2,329.75
  4. Step 4: Simplify right side
    3,821.77x = 12,289,174.98
  5. Step 5: Solve for x
    x = 12,289,174.98/3,821.77
  6. Step 6: Final answer
    x = 3,215.57

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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.