Home / 3,860.85-5,328.24-2,182.27

Finding the Fourth Proportional to 3,860.85, 5,328.24 and 2,182.27

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Solution

The fourth proportional to 3,860.85, 5,328.24 and 2,182.27 is: 3,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.85 : 5,328.24 = 2,182.27 : x
  2. Step 2: Convert to fraction form
    3,860.85/5,328.24 = 2,182.27/x
  3. Step 3: Cross multiply
    3,860.85x = 5,328.24 × 2,182.27
  4. Step 4: Simplify right side
    3,860.85x = 11,627,640.49
  5. Step 5: Solve for x
    x = 11,627,640.49/3,860.85
  6. Step 6: Final answer
    x = 3,011.68

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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.