Home / 3,880.76-5,825.30-2,150.84

Finding the Fourth Proportional to 3,880.76, 5,825.30 and 2,150.84

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Solution

The fourth proportional to 3,880.76, 5,825.30 and 2,150.84 is: 3,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.76 : 5,825.30 = 2,150.84 : x
  2. Step 2: Convert to fraction form
    3,880.76/5,825.30 = 2,150.84/x
  3. Step 3: Cross multiply
    3,880.76x = 5,825.30 × 2,150.84
  4. Step 4: Simplify right side
    3,880.76x = 12,529,288.25
  5. Step 5: Solve for x
    x = 12,529,288.25/3,880.76
  6. Step 6: Final answer
    x = 3,228.57

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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.